25595051 has 4 divisors (see below), whose sum is σ = 26014704. Its totient is φ = 25175400.

The previous prime is 25595039. The next prime is 25595093. The reversal of 25595051 is 15059552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25595051 - 2²² = 21400747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25594999 and 25595017.

It is not an unprimeable number, because it can be changed into a prime (25595351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209735 + ... + 209856.

It is an arithmetic number, because the mean of its divisors is an integer number (6503676).

Almost surely, 2^25595051 is an apocalyptic number.

25595051 is a deficient number, since it is larger than the sum of its proper divisors (419653).

25595051 is an equidigital number, since it uses as much as digits as its factorization.

25595051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419652.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 25595051 is about 5059.1551666261. The cubic root of 25595051 is about 294.7035267174.

The spelling of 25595051 in words is "twenty-five million, five hundred ninety-five thousand, fifty-one".