25127267525 has 6 divisors (see below), whose sum is σ = 31157811762. Its totient is φ = 20101814000.

The previous prime is 25127267491. The next prime is 25127267563. The reversal of 25127267525 is 52576272152.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6272956804 + 18854310721 = 79202^2 + 137311^2 .

It is not a de Polignac number, because 25127267525 - 2⁶ = 25127267461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502545326 + ... + 502545375.

It is an arithmetic number, because the mean of its divisors is an integer number (5192968627).

Almost surely, 2^25127267525 is an apocalyptic number.

25127267525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25127267525 is a deficient number, since it is larger than the sum of its proper divisors (6030544237).

25127267525 is a wasteful number, since it uses less digits than its factorization.

25127267525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005090711 (or 1005090706 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The spelling of 25127267525 in words is "twenty-five billion, one hundred twenty-seven million, two hundred sixty-seven thousand, five hundred twenty-five".