25275807937 has 2 divisors, whose sum is σ = 25275807938. Its totient is φ = 25275807936.

The previous prime is 25275807913. The next prime is 25275808009. The reversal of 25275807937 is 73970857252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25027556401 + 248251536 = 158201^2 + 15756^2 .

It is a cyclic number.

It is not a de Polignac number, because 25275807937 - 2¹⁵ = 25275775169 is a prime.

It is a super-3 number, since 3×25275807937³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (25275807737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637903968 + 12637903969.

It is an arithmetic number, because the mean of its divisors is an integer number (12637903969).

Almost surely, 2^25275807937 is an apocalyptic number.

It is an amenable number.

25275807937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275807937 is an equidigital number, since it uses as much as digits as its factorization.

25275807937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 25275807937 in words is "twenty-five billion, two hundred seventy-five million, eight hundred seven thousand, nine hundred thirty-seven".