612824652 has 36 divisors (see below), whose sum is σ = 1689911496. Its totient is φ = 185704320.

The previous prime is 612824623. The next prime is 612824659. The reversal of 612824652 is 256428216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×612824652² = 751108108197842208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (612824659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 773373 + ... + 774164.

It is an arithmetic number, because the mean of its divisors is an integer number (46941986).

Almost surely, 2^612824652 is an apocalyptic number.

It is an amenable number.

612824652 is an abundant number, since it is smaller than the sum of its proper divisors (1077086844).

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

612824652 is a wasteful number, since it uses less digits than its factorization.

612824652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547558 (or 1547553 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 612824652 is about 24755.2954335027. The cubic root of 612824652 is about 849.3996461977.

The spelling of 612824652 in words is "six hundred twelve million, eight hundred twenty-four thousand, six hundred fifty-two".