25722653 has 16 divisors (see below), whose sum is σ = 29179392. Its totient is φ = 22464000.

The previous prime is 25722607. The next prime is 25722721. The reversal of 25722653 is 35622752.

It is a cyclic number.

It is not a de Polignac number, because 25722653 - 2⁶ = 25722589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25722253) 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, 82025 + ... + 82337.

It is an arithmetic number, because the mean of its divisors is an integer number (1823712).

Almost surely, 2^25722653 is an apocalyptic number.

It is an amenable number.

25722653 is a deficient number, since it is larger than the sum of its proper divisors (3456739).

25722653 is a wasteful number, since it uses less digits than its factorization.

25722653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 25200, while the sum is 32.

The square root of 25722653 is about 5071.7504867649. The cubic root of 25722653 is about 295.1924550929.

Subtracting 25722653 from its reverse (35622752), we obtain a palindrome (9900099).

It can be divided in two parts, 2572 and 2653, that added together give a palindrome (5225).

The spelling of 25722653 in words is "twenty-five million, seven hundred twenty-two thousand, six hundred fifty-three".