609774523 has 8 divisors (see below), whose sum is σ = 623121408. Its totient is φ = 596570664.

The previous prime is 609774521. The next prime is 609774527. The reversal of 609774523 is 325477906.

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 609774523 - 2¹ = 609774521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 609774523.

It is not an unprimeable number, because it can be changed into a prime (609774521) 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, 27115 + ... + 44212.

It is an arithmetic number, because the mean of its divisors is an integer number (77890176).

Almost surely, 2^609774523 is an apocalyptic number.

609774523 is a deficient number, since it is larger than the sum of its proper divisors (13346885).

609774523 is a wasteful number, since it uses less digits than its factorization.

609774523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71513.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 609774523 is about 24693.6130001262. The cubic root of 609774523 is about 847.9881012296.

The spelling of 609774523 in words is "six hundred nine million, seven hundred seventy-four thousand, five hundred twenty-three".