25620545 has 8 divisors (see below), whose sum is σ = 30772224. Its totient is φ = 20478064.

The previous prime is 25620533. The next prime is 25620577. The reversal of 25620545 is 54502652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25620545 - 2⁶ = 25620481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8192 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (3846528).

Almost surely, 2^25620545 is an apocalyptic number.

It is an amenable number.

25620545 is a deficient number, since it is larger than the sum of its proper divisors (5151679).

25620545 is a wasteful number, since it uses less digits than its factorization.

25620545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25620545 is about 5061.6741301668. The cubic root of 25620545 is about 294.8013409209.

The spelling of 25620545 in words is "twenty-five million, six hundred twenty thousand, five hundred forty-five".