25265121 has 8 divisors (see below), whose sum is σ = 38499264. Its totient is φ = 14437200.

The previous prime is 25265101. The next prime is 25265131. The reversal of 25265121 is 12156252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25265121 - 2⁵ = 25265089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25265091 and 25265100.

It is not an unprimeable number, because it can be changed into a prime (25265101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601530 + ... + 601571.

It is an arithmetic number, because the mean of its divisors is an integer number (4812408).

Almost surely, 2^25265121 is an apocalyptic number.

25265121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25265121 is a deficient number, since it is larger than the sum of its proper divisors (13234143).

25265121 is a wasteful number, since it uses less digits than its factorization.

25265121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203111.

The product of its digits is 1200, while the sum is 24.

The square root of 25265121 is about 5026.4421811058. The cubic root of 25265121 is about 293.4317660646.

The spelling of 25265121 in words is "twenty-five million, two hundred sixty-five thousand, one hundred twenty-one".