561150612 has 48 divisors (see below), whose sum is σ = 1587096000. Its totient is φ = 170045280.

The previous prime is 561150581. The next prime is 561150631. The reversal of 561150612 is 216051165.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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, 234987 + ... + 237362.

It is an arithmetic number, because the mean of its divisors is an integer number (33064500).

Almost surely, 2^561150612 is an apocalyptic number.

It is an amenable number.

561150612 is an abundant number, since it is smaller than the sum of its proper divisors (1025945388).

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

561150612 is a wasteful number, since it uses less digits than its factorization.

561150612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472373 (or 472365 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 561150612 is about 23688.6177730994. The cubic root of 561150612 is about 824.8211976146.

The spelling of 561150612 in words is "five hundred sixty-one million, one hundred fifty thousand, six hundred twelve".