750625 has 10 divisors (see below), whose sum is σ = 938762. Its totient is φ = 600000.

The previous prime is 750613. The next prime is 750641. The reversal of 750625 is 526057.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 564001 + 186624 = 751^2 + 432^2 .

It is not a de Polignac number, because 750625 - 2¹⁹ = 226337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 750625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25 + ... + 1225.

2⁷⁵⁰⁶²⁵ is an apocalyptic number.

It is an amenable number.

750625 is a deficient number, since it is larger than the sum of its proper divisors (188137).

750625 is an equidigital number, since it uses as much as digits as its factorization.

750625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 750625 is about 866.3861725582. The cubic root of 750625 is about 90.8812604204.

The spelling of 750625 in words is "seven hundred fifty thousand, six hundred twenty-five".