625802261 has 4 divisors (see below), whose sum is σ = 715202592. Its totient is φ = 536401932.

The previous prime is 625802257. The next prime is 625802329. The reversal of 625802261 is 162208526.

625802261 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625802261 - 2² = 625802257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625802231) 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, 44700155 + ... + 44700168.

It is an arithmetic number, because the mean of its divisors is an integer number (178800648).

Almost surely, 2^625802261 is an apocalyptic number.

It is an amenable number.

625802261 is a deficient number, since it is larger than the sum of its proper divisors (89400331).

625802261 is an equidigital number, since it uses as much as digits as its factorization.

625802261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89400330.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 625802261 is about 25016.0400743203. The cubic root of 625802261 is about 855.3536427932.

The spelling of 625802261 in words is "six hundred twenty-five million, eight hundred two thousand, two hundred sixty-one".