25212952201 has 2 divisors, whose sum is σ = 25212952202. Its totient is φ = 25212952200.

The previous prime is 25212952189. The next prime is 25212952277. The reversal of 25212952201 is 10225921252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22831512201 + 2381440000 = 151101^2 + 48800^2 .

It is a cyclic number.

It is not a de Polignac number, because 25212952201 - 2¹⁷ = 25212821129 is a prime.

It is not a weakly prime, because it can be changed into another prime (25212952801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606476100 + 12606476101.

It is an arithmetic number, because the mean of its divisors is an integer number (12606476101).

Almost surely, 2^25212952201 is an apocalyptic number.

It is an amenable number.

25212952201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212952201 is an equidigital number, since it uses as much as digits as its factorization.

25212952201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 25212952201 in words is "twenty-five billion, two hundred twelve million, nine hundred fifty-two thousand, two hundred one".