609972555 has 8 divisors (see below), whose sum is σ = 975956112. Its totient is φ = 325318688.

The previous prime is 609972551. The next prime is 609972593. The reversal of 609972555 is 555279906.

It is a happy number.

609972555 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 a cyclic number.

It is not a de Polignac number, because 609972555 - 2² = 609972551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609972551) 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, 20332404 + ... + 20332433.

It is an arithmetic number, because the mean of its divisors is an integer number (121994514).

Almost surely, 2^609972555 is an apocalyptic number.

609972555 is a deficient number, since it is larger than the sum of its proper divisors (365983557).

609972555 is a wasteful number, since it uses less digits than its factorization.

609972555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40664845.

The product of its (nonzero) digits is 850500, while the sum is 48.

The square root of 609972555 is about 24697.6224564228. The cubic root of 609972555 is about 848.0798895861.

The spelling of 609972555 in words is "six hundred nine million, nine hundred seventy-two thousand, five hundred fifty-five".