25620253 has 16 divisors (see below), whose sum is σ = 27475200. Its totient is φ = 23849280.

The previous prime is 25620239. The next prime is 25620263. The reversal of 25620253 is 35202652.

It is a cyclic number.

It is not a de Polignac number, because 25620253 - 2¹³ = 25612061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25620223) 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, 121318 + ... + 121528.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^25620253 is an apocalyptic number.

It is an amenable number.

25620253 is a deficient number, since it is larger than the sum of its proper divisors (1854947).

25620253 is a wasteful number, since it uses less digits than its factorization.

25620253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25620253 is about 5061.6452858730. The cubic root of 25620253 is about 294.8002209562.

The spelling of 25620253 in words is "twenty-five million, six hundred twenty thousand, two hundred fifty-three".