611604512 has 48 divisors (see below), whose sum is σ = 1292474232. Its totient is φ = 283852800.

The previous prime is 611604493. The next prime is 611604517. The reversal of 611604512 is 215406116.

It can be written as a sum of positive squares in 4 ways, for example, as 599466256 + 12138256 = 24484^2 + 3484^2 .

It is not an unprimeable number, because it can be changed into a prime (611604517) 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, 32012 + ... + 47412.

Almost surely, 2^611604512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611604512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646237116).

611604512 is an abundant number, since it is smaller than the sum of its proper divisors (680869720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611604512 is a wasteful number, since it uses less digits than its factorization.

611604512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15501 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 611604512 is about 24730.6391344826. The cubic root of 611604512 is about 848.8355506001.

The spelling of 611604512 in words is "six hundred eleven million, six hundred four thousand, five hundred twelve".