625006503 has 48 divisors (see below), whose sum is σ = 1027377120. Its totient is φ = 375217920.

The previous prime is 625006477. The next prime is 625006507. The reversal of 625006503 is 305600526.

625006503 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 0 + 650 + 3 = 666.

625006503 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 625006503 - 2⁵ = 625006471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625006507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368325 + ... + 370017.

It is an arithmetic number, because the mean of its divisors is an integer number (21403690).

Almost surely, 2^625006503 is an apocalyptic number.

625006503 is a deficient number, since it is larger than the sum of its proper divisors (402370617).

625006503 is a wasteful number, since it uses less digits than its factorization.

625006503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 625006503 is about 25000.1300596617. The cubic root of 625006503 is about 854.9909386544.

The spelling of 625006503 in words is "six hundred twenty-five million, six thousand, five hundred three".