625280 has 32 divisors (see below), whose sum is σ = 1496340. Its totient is φ = 249856.

The previous prime is 625279. The next prime is 625283. The reversal of 625280 is 82526.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 23104 = 776^2 + 152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (625283) 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, 152 + ... + 1128.

2⁶²⁵²⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748170).

625280 is an abundant number, since it is smaller than the sum of its proper divisors (871060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625280 is an equidigital number, since it uses as much as digits as its factorization.

625280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 625280 is about 790.7464827617. The cubic root of 625280 is about 85.5115632480.

The spelling of 625280 in words is "six hundred twenty-five thousand, two hundred eighty".