625461 has 8 divisors (see below), whose sum is σ = 877920. Its totient is φ = 394992.

The previous prime is 625451. The next prime is 625477. The reversal of 625461 is 164526.

625461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625461 - 2⁶ = 625397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (109740).

2⁶²⁵⁴⁶¹ is an apocalyptic number.

It is an amenable number.

625461 is a deficient number, since it is larger than the sum of its proper divisors (252459).

625461 is a wasteful number, since it uses less digits than its factorization.

625461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995.

The product of its digits is 1440, while the sum is 24.

The square root of 625461 is about 790.8609232981. The cubic root of 625461 is about 85.5198134718.

Adding to 625461 its reverse (164526), we get a palindrome (789987).

The spelling of 625461 in words is "six hundred twenty-five thousand, four hundred sixty-one".