623525045 has 32 divisors (see below), whose sum is σ = 883419264. Its totient is φ = 416505600.

The previous prime is 623524987. The next prime is 623525051. The reversal of 623525045 is 540525326.

623525045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623525045 - 2⁸ = 623524789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148799 + ... + 152931.

It is an arithmetic number, because the mean of its divisors is an integer number (27606852).

Almost surely, 2^623525045 is an apocalyptic number.

623525045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

623525045 is a deficient number, since it is larger than the sum of its proper divisors (259894219).

623525045 is a wasteful number, since it uses less digits than its factorization.

623525045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 623525045 is about 24970.4834754956. The cubic root of 623525045 is about 854.3148735520.

The spelling of 623525045 in words is "six hundred twenty-three million, five hundred twenty-five thousand, forty-five".