25606051 has 2 divisors, whose sum is σ = 25606052. Its totient is φ = 25606050.

The previous prime is 25606039. The next prime is 25606057. The reversal of 25606051 is 15060652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25606051 - 2⁵ = 25606019 is a prime.

It is not a weakly prime, because it can be changed into another prime (25606057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803025 + 12803026.

It is an arithmetic number, because the mean of its divisors is an integer number (12803026).

Almost surely, 2^25606051 is an apocalyptic number.

25606051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25606051 is an equidigital number, since it uses as much as digits as its factorization.

25606051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 25606051 is about 5060.2421878799. The cubic root of 25606051 is about 294.7457389730.

The spelling of 25606051 in words is "twenty-five million, six hundred six thousand, fifty-one".