25231500382 has 32 divisors (see below), whose sum is σ = 41754424320. Its totient is φ = 11339771520.

The previous prime is 25231500367. The next prime is 25231500383. The reversal of 25231500382 is 28300513252.

It is a super-2 number, since 2×25231500382² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25231500383) 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, 1029523 + ... + 1053745.

It is an arithmetic number, because the mean of its divisors is an integer number (1304825760).

Almost surely, 2^25231500382 is an apocalyptic number.

25231500382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25231500382 is a deficient number, since it is larger than the sum of its proper divisors (16522923938).

25231500382 is a wasteful number, since it uses less digits than its factorization.

25231500382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24768.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 25231500382 in words is "twenty-five billion, two hundred thirty-one million, five hundred thousand, three hundred eighty-two".