25395025 has 12 divisors (see below), whose sum is σ = 33342732. Its totient is φ = 19120640.

The previous prime is 25395023. The next prime is 25395037. The reversal of 25395025 is 52059352.

It can be written as a sum of positive squares in 6 ways, for example, as 154449 + 25240576 = 393^2 + 5024^2 .

It is not a de Polignac number, because 25395025 - 2¹ = 25395023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25395023) 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, 29452 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (2778561).

Almost surely, 2^25395025 is an apocalyptic number.

25395025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25395025 is a deficient number, since it is larger than the sum of its proper divisors (7947707).

25395025 is a wasteful number, since it uses less digits than its factorization.

25395025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59780 (or 59775 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 25395025 is about 5039.3476760390. The cubic root of 25395025 is about 293.9338128267.

The spelling of 25395025 in words is "twenty-five million, three hundred ninety-five thousand, twenty-five".