25258797 has 20 divisors (see below), whose sum is σ = 39037020. Its totient is φ = 16257024.

The previous prime is 25258781. The next prime is 25258813. The reversal of 25258797 is 79785252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25258781) and next prime (25258813).

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 5731236 = 4419^2 + 2394^2 .

It is not a de Polignac number, because 25258797 - 2⁴ = 25258781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258757) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3028 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (1951851).

Almost surely, 2^25258797 is an apocalyptic number.

25258797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

25258797 is a deficient number, since it is larger than the sum of its proper divisors (13778223).

25258797 is a wasteful number, since it uses less digits than its factorization.

25258797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794 (or 10785 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 25258797 is about 5025.8130685492. The cubic root of 25258797 is about 293.4072814884.

It can be divided in two parts, 252 and 58797, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 25258797 in words is "twenty-five million, two hundred fifty-eight thousand, seven hundred ninety-seven".