25324457 has 2 divisors, whose sum is σ = 25324458. Its totient is φ = 25324456.

The previous prime is 25324451. The next prime is 25324501. The reversal of 25324457 is 75442352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 5779216 = 4421^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 25324457 - 2¹⁶ = 25258921 is a prime.

It is not a weakly prime, because it can be changed into another prime (25324451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662228 + 12662229.

It is an arithmetic number, because the mean of its divisors is an integer number (12662229).

Almost surely, 2^25324457 is an apocalyptic number.

It is an amenable number.

25324457 is a deficient number, since it is larger than the sum of its proper divisors (1).

25324457 is an equidigital number, since it uses as much as digits as its factorization.

25324457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 32.

The square root of 25324457 is about 5032.3411052909. The cubic root of 25324457 is about 293.6612979802.

The spelling of 25324457 in words is "twenty-five million, three hundred twenty-four thousand, four hundred fifty-seven".