25434016031 has 2 divisors, whose sum is σ = 25434016032. Its totient is φ = 25434016030.

The previous prime is 25434015983. The next prime is 25434016033. The reversal of 25434016031 is 13061043452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25434016031 - 2¹⁸ = 25433753887 is a prime.

It is a super-2 number, since 2×25434016031² (a number of 22 digits) contains 22 as substring.

Together with 25434016033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25434015985 and 25434016003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25434016033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717008015 + 12717008016.

It is an arithmetic number, because the mean of its divisors is an integer number (12717008016).

Almost surely, 2^25434016031 is an apocalyptic number.

25434016031 is a deficient number, since it is larger than the sum of its proper divisors (1).

25434016031 is an equidigital number, since it uses as much as digits as its factorization.

25434016031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 25434016031 its reverse (13061043452), we get a palindrome (38495059483).

The spelling of 25434016031 in words is "twenty-five billion, four hundred thirty-four million, sixteen thousand, thirty-one".