25201522232431 has 2 divisors, whose sum is σ = 25201522232432. Its totient is φ = 25201522232430.

The previous prime is 25201522232371. The next prime is 25201522232443. The reversal of 25201522232431 is 13423222510252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25201522232431 - 2⁷ = 25201522232303 is a prime.

It is a super-2 number, since 2×25201522232431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25201522232531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600761116215 + 12600761116216.

It is an arithmetic number, because the mean of its divisors is an integer number (12600761116216).

Almost surely, 2^{25201522232431} is an apocalyptic number.

25201522232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25201522232431 is an equidigital number, since it uses as much as digits as its factorization.

25201522232431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 25201522232431 its reverse (13423222510252), we get a palindrome (38624744742683).

The spelling of 25201522232431 in words is "twenty-five trillion, two hundred one billion, five hundred twenty-two million, two hundred thirty-two thousand, four hundred thirty-one".