25368517001 has 2 divisors, whose sum is σ = 25368517002. Its totient is φ = 25368517000.

The previous prime is 25368516961. The next prime is 25368517099. The reversal of 25368517001 is 10071586352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16017433600 + 9351083401 = 126560^2 + 96701^2 .

It is a cyclic number.

It is not a de Polignac number, because 25368517001 - 2⁶ = 25368516937 is a prime.

It is not a weakly prime, because it can be changed into another prime (25368517201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12684258500 + 12684258501.

It is an arithmetic number, because the mean of its divisors is an integer number (12684258501).

Almost surely, 2^25368517001 is an apocalyptic number.

It is an amenable number.

25368517001 is a deficient number, since it is larger than the sum of its proper divisors (1).

25368517001 is an equidigital number, since it uses as much as digits as its factorization.

25368517001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 25368517001 in words is "twenty-five billion, three hundred sixty-eight million, five hundred seventeen thousand, one".