25732315653 has 16 divisors (see below), whose sum is σ = 37431637056. Its totient is φ = 15594170240.

The previous prime is 25732315649. The next prime is 25732315709. The reversal of 25732315653 is 35651323752.

It is not a de Polignac number, because 25732315653 - 2² = 25732315649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25732315643) 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, 653851 + ... + 692087.

It is an arithmetic number, because the mean of its divisors is an integer number (2339477316).

Almost surely, 2^25732315653 is an apocalyptic number.

It is an amenable number.

25732315653 is a deficient number, since it is larger than the sum of its proper divisors (11699321403).

25732315653 is a wasteful number, since it uses less digits than its factorization.

25732315653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58644.

The product of its digits is 567000, while the sum is 42.

The spelling of 25732315653 in words is "twenty-five billion, seven hundred thirty-two million, three hundred fifteen thousand, six hundred fifty-three".