25342747 has 2 divisors, whose sum is σ = 25342748. Its totient is φ = 25342746.

The previous prime is 25342721. The next prime is 25342769. The reversal of 25342747 is 74724352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25342747 - 2¹⁵ = 25309979 is a prime.

It is not a weakly prime, because it can be changed into another prime (25342777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671373 + 12671374.

It is an arithmetic number, because the mean of its divisors is an integer number (12671374).

Almost surely, 2^25342747 is an apocalyptic number.

25342747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25342747 is an equidigital number, since it uses as much as digits as its factorization.

25342747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 34.

The square root of 25342747 is about 5034.1580229468. The cubic root of 25342747 is about 293.7319776479.

The spelling of 25342747 in words is "twenty-five million, three hundred forty-two thousand, seven hundred forty-seven".