609716225 has 12 divisors (see below), whose sum is σ = 763391616. Its totient is φ = 483035280.

The previous prime is 609716209. The next prime is 609716231. The reversal of 609716225 is 522617906.

It is a happy number.

It is not a de Polignac number, because 609716225 - 2⁴ = 609716209 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115817 + ... + 120966.

It is an arithmetic number, because the mean of its divisors is an integer number (63615968).

Almost surely, 2^609716225 is an apocalyptic number.

It is an amenable number.

609716225 is a deficient number, since it is larger than the sum of its proper divisors (153675391).

609716225 is a wasteful number, since it uses less digits than its factorization.

609716225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236896 (or 236891 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 609716225 is about 24692.4325452151. The cubic root of 609716225 is about 847.9610761660.

It can be divided in two parts, 6097 and 16225, that added together give a palindrome (22322).

The spelling of 609716225 in words is "six hundred nine million, seven hundred sixteen thousand, two hundred twenty-five".