25454057 has 2 divisors, whose sum is σ = 25454058. Its totient is φ = 25454056.

The previous prime is 25454021. The next prime is 25454059. The reversal of 25454057 is 75045452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 163216 = 5029^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 25454057 - 2⁶ = 25453993 is a prime.

Together with 25454059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25454059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12727028 + 12727029.

It is an arithmetic number, because the mean of its divisors is an integer number (12727029).

Almost surely, 2^25454057 is an apocalyptic number.

It is an amenable number.

25454057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25454057 is an equidigital number, since it uses as much as digits as its factorization.

25454057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 25454057 is about 5045.2013834930. The cubic root of 25454057 is about 294.1613911728.

The spelling of 25454057 in words is "twenty-five million, four hundred fifty-four thousand, fifty-seven".