25351929241 has 2 divisors, whose sum is σ = 25351929242. Its totient is φ = 25351929240.

The previous prime is 25351929199. The next prime is 25351929259. The reversal of 25351929241 is 14292915352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15271769241 + 10080160000 = 123579^2 + 100400^2 .

It is a cyclic number.

It is not a de Polignac number, because 25351929241 - 2¹⁵ = 25351896473 is a prime.

It is not a weakly prime, because it can be changed into another prime (25351929271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675964620 + 12675964621.

It is an arithmetic number, because the mean of its divisors is an integer number (12675964621).

Almost surely, 2^25351929241 is an apocalyptic number.

It is an amenable number.

25351929241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25351929241 is an equidigital number, since it uses as much as digits as its factorization.

25351929241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The spelling of 25351929241 in words is "twenty-five billion, three hundred fifty-one million, nine hundred twenty-nine thousand, two hundred forty-one".