25504414007 has 2 divisors, whose sum is σ = 25504414008. Its totient is φ = 25504414006.

The previous prime is 25504413997. The next prime is 25504414009. The reversal of 25504414007 is 70041440552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25504414007 - 2⁸ = 25504413751 is a prime.

It is a super-3 number, since 3×25504414007³ (a number of 32 digits) contains 333 as substring.

Together with 25504414009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25504414009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752207003 + 12752207004.

It is an arithmetic number, because the mean of its divisors is an integer number (12752207004).

Almost surely, 2^25504414007 is an apocalyptic number.

25504414007 is a deficient number, since it is larger than the sum of its proper divisors (1).

25504414007 is an equidigital number, since it uses as much as digits as its factorization.

25504414007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

Adding to 25504414007 its reverse (70041440552), we get a palindrome (95545854559).

The spelling of 25504414007 in words is "twenty-five billion, five hundred four million, four hundred fourteen thousand, seven".