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23254225 = 523592591
BaseRepresentation
bin101100010110…
…1010011010001
31121202102210121
41120231103101
521423113400
62150230241
7401441401
oct130552321
947672717
1023254225
1112143275
127955381
134a826c7
143134801
15209521a
hex162d4d1

23254225 has 12 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 18544400.

The previous prime is 23254211. The next prime is 23254229. The reversal of 23254225 is 52245232.

It is a happy number.

It is not a de Polignac number, because 23254225 - 27 = 23254097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 23254225.

It is not an unprimeable number, because it can be changed into a prime (23254229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7680 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 223254225 is an apocalyptic number.

23254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23254225 is a deficient number, since it is larger than the sum of its proper divisors (5672495).

23254225 is a wasteful number, since it uses less digits than its factorization.

23254225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2955 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 23254225 is about 4822.2634726858. The cubic root of 23254225 is about 285.4306611025.

Adding to 23254225 its reverse (52245232), we get a palindrome (75499457).

The spelling of 23254225 in words is "twenty-three million, two hundred fifty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 359 1795 2591 8975 12955 64775 930169 4650845 23254225