25435051 has 2 divisors, whose sum is σ = 25435052. Its totient is φ = 25435050.

The previous prime is 25435031. The next prime is 25435063. The reversal of 25435051 is 15053452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25435051 is a prime.

It is equal to p_1591342 and since 25435051 and 1591342 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25435031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717525 + 12717526.

It is an arithmetic number, because the mean of its divisors is an integer number (12717526).

Almost surely, 2^25435051 is an apocalyptic number.

25435051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25435051 is an equidigital number, since it uses as much as digits as its factorization.

25435051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25435051 is about 5043.3174597679. The cubic root of 25435051 is about 294.0881582694.

The spelling of 25435051 in words is "twenty-five million, four hundred thirty-five thousand, fifty-one".