25579051 has 2 divisors, whose sum is σ = 25579052. Its totient is φ = 25579050.

The previous prime is 25579049. The next prime is 25579063. The reversal of 25579051 is 15097552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25579051 - 2¹ = 25579049 is a prime.

Together with 25579049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25578998 and 25579016.

It is not a weakly prime, because it can be changed into another prime (25579031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12789525 + 12789526.

It is an arithmetic number, because the mean of its divisors is an integer number (12789526).

Almost surely, 2^25579051 is an apocalyptic number.

25579051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25579051 is an equidigital number, since it uses as much as digits as its factorization.

25579051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 25579051 is about 5057.5736277389. The cubic root of 25579051 is about 294.6421054775.

The spelling of 25579051 in words is "twenty-five million, five hundred seventy-nine thousand, fifty-one".