25275702025 has 24 divisors (see below), whose sum is σ = 35883042624. Its totient is φ = 17301057600.

The previous prime is 25275702019. The next prime is 25275702029. The reversal of 25275702025 is 52020757252.

It is not a de Polignac number, because 25275702025 - 2⁵ = 25275701993 is a prime.

It is a super-2 number, since 2×25275702025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275702029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29746 + ... + 226795.

It is an arithmetic number, because the mean of its divisors is an integer number (1495126776).

Almost surely, 2^25275702025 is an apocalyptic number.

25275702025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275702025 is a deficient number, since it is larger than the sum of its proper divisors (10607340599).

25275702025 is a wasteful number, since it uses less digits than its factorization.

25275702025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257121 (or 257116 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The spelling of 25275702025 in words is "twenty-five billion, two hundred seventy-five million, seven hundred two thousand, twenty-five".