25623653 has 8 divisors (see below), whose sum is σ = 28001376. Its totient is φ = 23254000.

The previous prime is 25623649. The next prime is 25623659. The reversal of 25623653 is 35632652.

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

It is not a de Polignac number, because 25623653 - 2² = 25623649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25623659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6050 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (3500172).

Almost surely, 2^25623653 is an apocalyptic number.

It is an amenable number.

25623653 is a deficient number, since it is larger than the sum of its proper divisors (2377723).

25623653 is a wasteful number, since it uses less digits than its factorization.

25623653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035.

The product of its digits is 32400, while the sum is 32.

The square root of 25623653 is about 5061.9811339040. The cubic root of 25623653 is about 294.8132611139.

The spelling of 25623653 in words is "twenty-five million, six hundred twenty-three thousand, six hundred fifty-three".