25016416331 has 2 divisors, whose sum is σ = 25016416332. Its totient is φ = 25016416330.

The previous prime is 25016416207. The next prime is 25016416333. The reversal of 25016416331 is 13361461052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25016416331 - 2¹⁸ = 25016154187 is a prime.

It is a super-2 number, since 2×25016416331² (a number of 22 digits) contains 22 as substring.

Together with 25016416333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25016416333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508208165 + 12508208166.

It is an arithmetic number, because the mean of its divisors is an integer number (12508208166).

Almost surely, 2^25016416331 is an apocalyptic number.

25016416331 is a deficient number, since it is larger than the sum of its proper divisors (1).

25016416331 is an equidigital number, since it uses as much as digits as its factorization.

25016416331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 25016416331 its reverse (13361461052), we get a palindrome (38377877383).

The spelling of 25016416331 in words is "twenty-five billion, sixteen million, four hundred sixteen thousand, three hundred thirty-one".