611544052 has 24 divisors (see below), whose sum is σ = 1230600896. Its totient is φ = 260480448.

The previous prime is 611544049. The next prime is 611544061. The reversal of 611544052 is 250445116.

It is a super-2 number, since 2×611544052² = 747972255073157408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 611544052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62433 + ... + 71560.

Almost surely, 2^611544052 is an apocalyptic number.

It is an amenable number.

611544052 is an abundant number, since it is smaller than the sum of its proper divisors (619056844).

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

611544052 is a wasteful number, since it uses less digits than its factorization.

611544052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134167 (or 134165 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 611544052 is about 24729.4167339224. The cubic root of 611544052 is about 848.8075792082.

Adding to 611544052 its reverse (250445116), we get a palindrome (861989168).

The spelling of 611544052 in words is "six hundred eleven million, five hundred forty-four thousand, fifty-two".