25005758253 has 48 divisors (see below), whose sum is σ = 40203440640. Its totient is φ = 13770086400.

The previous prime is 25005758233. The next prime is 25005758257. The reversal of 25005758253 is 35285750052.

It is a happy number.

It is not a de Polignac number, because 25005758253 - 2²² = 25001563949 is a prime.

It is a super-2 number, since 2×25005758253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005758257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1086853 + ... + 1109621.

It is an arithmetic number, because the mean of its divisors is an integer number (837571680).

Almost surely, 2^25005758253 is an apocalyptic number.

It is an amenable number.

25005758253 is a deficient number, since it is larger than the sum of its proper divisors (15197682387).

25005758253 is a wasteful number, since it uses less digits than its factorization.

25005758253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23058 (or 23051 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 25005758253 in words is "twenty-five billion, five million, seven hundred fifty-eight thousand, two hundred fifty-three".