609131652 has 48 divisors (see below), whose sum is σ = 1437112320. Its totient is φ = 200799648.

The previous prime is 609131581. The next prime is 609131671. The reversal of 609131652 is 256131906.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466833 + ... + 468135.

It is an arithmetic number, because the mean of its divisors is an integer number (29939840).

Almost surely, 2^609131652 is an apocalyptic number.

It is an amenable number.

609131652 is an abundant number, since it is smaller than the sum of its proper divisors (827980668).

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

609131652 is a wasteful number, since it uses less digits than its factorization.

609131652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 609131652 is about 24680.5926184928. The cubic root of 609131652 is about 847.6899917761.

The spelling of 609131652 in words is "six hundred nine million, one hundred thirty-one thousand, six hundred fifty-two".