625051 has 4 divisors (see below), whose sum is σ = 714352. Its totient is φ = 535752.

The previous prime is 625033. The next prime is 625057. The reversal of 625051 is 150526.

It is a happy number.

625051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 625051 - 2⁹ = 624539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625057) 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, 44640 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (178588).

2⁶²⁵⁰⁵¹ is an apocalyptic number.

625051 is a deficient number, since it is larger than the sum of its proper divisors (89301).

625051 is an equidigital number, since it uses as much as digits as its factorization.

625051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89300.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 625051 is about 790.6016696162. The cubic root of 625051 is about 85.5011228379.

Adding to 625051 its reverse (150526), we get a palindrome (775577).

The spelling of 625051 in words is "six hundred twenty-five thousand, fifty-one".