625753 has 4 divisors (see below), whose sum is σ = 662580. Its totient is φ = 588928.

The previous prime is 625699. The next prime is 625763. The reversal of 625753 is 357526.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 262144 = 603^2 + 512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18388 + ... + 18421.

It is an arithmetic number, because the mean of its divisors is an integer number (165645).

2⁶²⁵⁷⁵³ is an apocalyptic number.

It is an amenable number.

625753 is a deficient number, since it is larger than the sum of its proper divisors (36827).

625753 is a wasteful number, since it uses less digits than its factorization.

625753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826.

The product of its digits is 6300, while the sum is 28.

The square root of 625753 is about 791.0455107009. The cubic root of 625753 is about 85.5331198706.

It can be divided in two parts, 625 and 753, that added together give a triangular number (1378 = T₅₂).

The spelling of 625753 in words is "six hundred twenty-five thousand, seven hundred fifty-three".