25500353 has 4 divisors (see below), whose sum is σ = 26609088. Its totient is φ = 24391620.

The previous prime is 25500283. The next prime is 25500361. The reversal of 25500353 is 35300552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25500353 - 2¹² = 25496257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1108711 = 25500353 / (2 + 5 + 5 + 0 + 0 + 3 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25500053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554333 + ... + 554378.

It is an arithmetic number, because the mean of its divisors is an integer number (6652272).

Almost surely, 2^25500353 is an apocalyptic number.

25500353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25500353 is a deficient number, since it is larger than the sum of its proper divisors (1108735).

25500353 is a wasteful number, since it uses less digits than its factorization.

25500353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108734.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 25500353 is about 5049.7874212683. The cubic root of 25500353 is about 294.3396240262.

The spelling of 25500353 in words is "twenty-five million, five hundred thousand, three hundred fifty-three".