25620265 has 16 divisors (see below), whose sum is σ = 35305920. Its totient is φ = 17651520.

The previous prime is 25620263. The next prime is 25620271. The reversal of 25620265 is 56202652.

It is not a de Polignac number, because 25620265 - 2¹ = 25620263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25620263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11214 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (2206620).

Almost surely, 2^25620265 is an apocalyptic number.

It is an amenable number.

25620265 is a deficient number, since it is larger than the sum of its proper divisors (9685655).

25620265 is a wasteful number, since it uses less digits than its factorization.

25620265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25620265 is about 5061.6464712581. The cubic root of 25620265 is about 294.8002669823.

The spelling of 25620265 in words is "twenty-five million, six hundred twenty thousand, two hundred sixty-five".