25675739 has 2 divisors, whose sum is σ = 25675740. Its totient is φ = 25675738.

The previous prime is 25675723. The next prime is 25675753. The reversal of 25675739 is 93757652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25675739 - 2⁴ = 25675723 is a prime.

It is a super-2 number, since 2×25675739² = 1318487146392242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25675739.

It is not a weakly prime, because it can be changed into another prime (25675789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837869 + 12837870.

It is an arithmetic number, because the mean of its divisors is an integer number (12837870).

Almost surely, 2^25675739 is an apocalyptic number.

25675739 is a deficient number, since it is larger than the sum of its proper divisors (1).

25675739 is an equidigital number, since it uses as much as digits as its factorization.

25675739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The square root of 25675739 is about 5067.1233456469. The cubic root of 25675739 is about 295.0128846235.

The spelling of 25675739 in words is "twenty-five million, six hundred seventy-five thousand, seven hundred thirty-nine".