25958514431 has 2 divisors, whose sum is σ = 25958514432. Its totient is φ = 25958514430.

The previous prime is 25958514401. The next prime is 25958514443. The reversal of 25958514431 is 13441585952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25958514431 - 2¹⁰ = 25958513407 is a prime.

It is a super-2 number, since 2×25958514431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25958514401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12979257215 + 12979257216.

It is an arithmetic number, because the mean of its divisors is an integer number (12979257216).

Almost surely, 2^25958514431 is an apocalyptic number.

25958514431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25958514431 is an equidigital number, since it uses as much as digits as its factorization.

25958514431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 47.

The spelling of 25958514431 in words is "twenty-five billion, nine hundred fifty-eight million, five hundred fourteen thousand, four hundred thirty-one".