623525382 has 48 divisors (see below), whose sum is σ = 1411458048. Its totient is φ = 198699120.

The previous prime is 623525381. The next prime is 623525387. The reversal of 623525382 is 283525326.

623525382 is a `hidden beast` number, since 623 + 5 + 25 + 3 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623525381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39583 + ... + 53045.

It is an arithmetic number, because the mean of its divisors is an integer number (29405376).

Almost surely, 2^623525382 is an apocalyptic number.

623525382 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 623525382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705729024).

623525382 is an abundant number, since it is smaller than the sum of its proper divisors (787932666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623525382 is a wasteful number, since it uses less digits than its factorization.

623525382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585 (or 13582 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 623525382 is about 24970.4902234618. The cubic root of 623525382 is about 854.3150274641.

The spelling of 623525382 in words is "six hundred twenty-three million, five hundred twenty-five thousand, three hundred eighty-two".