625779361 has 8 divisors (see below), whose sum is σ = 647251200. Its totient is φ = 604387920.

The previous prime is 625779359. The next prime is 625779373. The reversal of 625779361 is 163977526.

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

It is a cyclic number.

It is not a de Polignac number, because 625779361 - 2¹ = 625779359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625779391) 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, 4051 + ... + 35608.

It is an arithmetic number, because the mean of its divisors is an integer number (80906400).

Almost surely, 2^625779361 is an apocalyptic number.

It is an amenable number.

625779361 is a deficient number, since it is larger than the sum of its proper divisors (21471839).

625779361 is a wasteful number, since it uses less digits than its factorization.

625779361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199.

The product of its digits is 476280, while the sum is 46.

The square root of 625779361 is about 25015.5823637988. The cubic root of 625779361 is about 855.3432093391.

The spelling of 625779361 in words is "six hundred twenty-five million, seven hundred seventy-nine thousand, three hundred sixty-one".