25495747 has 2 divisors, whose sum is σ = 25495748. Its totient is φ = 25495746.

The previous prime is 25495643. The next prime is 25495751. The reversal of 25495747 is 74759452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25495747 - 2⁷ = 25495619 is a prime.

It is not a weakly prime, because it can be changed into another prime (25495787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12747873 + 12747874.

It is an arithmetic number, because the mean of its divisors is an integer number (12747874).

Almost surely, 2^25495747 is an apocalyptic number.

25495747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25495747 is an equidigital number, since it uses as much as digits as its factorization.

25495747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 25495747 is about 5049.3313418709. The cubic root of 25495747 is about 294.3219012658.

The spelling of 25495747 in words is "twenty-five million, four hundred ninety-five thousand, seven hundred forty-seven".