25355026025 has 48 divisors (see below), whose sum is σ = 36222681600. Its totient is φ = 17246127360.

The previous prime is 25355026019. The next prime is 25355026031. The reversal of 25355026025 is 52062055352.

It is an interprime number because it is at equal distance from previous prime (25355026019) and next prime (25355026031).

It is not a de Polignac number, because 25355026025 - 2¹⁰ = 25355025001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12253691 + ... + 12255759.

It is an arithmetic number, because the mean of its divisors is an integer number (754639200).

Almost surely, 2^25355026025 is an apocalyptic number.

25355026025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25355026025 is a deficient number, since it is larger than the sum of its proper divisors (10867655575).

25355026025 is a wasteful number, since it uses less digits than its factorization.

25355026025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 25355026025 in words is "twenty-five billion, three hundred fifty-five million, twenty-six thousand, twenty-five".