25057500739 has 2 divisors, whose sum is σ = 25057500740. Its totient is φ = 25057500738.

The previous prime is 25057500737. The next prime is 25057500773. The reversal of 25057500739 is 93700575052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25057500739 - 2¹ = 25057500737 is a prime.

It is a super-2 number, since 2×25057500739² (a number of 22 digits) contains 22 as substring.

Together with 25057500737, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25057500695 and 25057500704.

It is not a weakly prime, because it can be changed into another prime (25057500737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12528750369 + 12528750370.

It is an arithmetic number, because the mean of its divisors is an integer number (12528750370).

Almost surely, 2^25057500739 is an apocalyptic number.

25057500739 is a deficient number, since it is larger than the sum of its proper divisors (1).

25057500739 is an equidigital number, since it uses as much as digits as its factorization.

25057500739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 43.

The spelling of 25057500739 in words is "twenty-five billion, fifty-seven million, five hundred thousand, seven hundred thirty-nine".