25250193071 has 2 divisors, whose sum is σ = 25250193072. Its totient is φ = 25250193070.

The previous prime is 25250193053. The next prime is 25250193119. The reversal of 25250193071 is 17039105252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25250193071 - 2²⁶ = 25183084207 is a prime.

It is a super-2 number, since 2×25250193071² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25250190071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625096535 + 12625096536.

It is an arithmetic number, because the mean of its divisors is an integer number (12625096536).

Almost surely, 2^25250193071 is an apocalyptic number.

25250193071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250193071 is an equidigital number, since it uses as much as digits as its factorization.

25250193071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 25250193071 in words is "twenty-five billion, two hundred fifty million, one hundred ninety-three thousand, seventy-one".