616552 has 8 divisors (see below), whose sum is σ = 1156050. Its totient is φ = 308272.

The previous prime is 616547. The next prime is 616579. The reversal of 616552 is 255616.

It can be written as a sum of positive squares in only one way, i.e., 391876 + 224676 = 626^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38527 + ... + 38542.

2⁶¹⁶⁵⁵² is an apocalyptic number.

It is an amenable number.

616552 is a deficient number, since it is larger than the sum of its proper divisors (539498).

616552 is a wasteful number, since it uses less digits than its factorization.

616552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77075 (or 77071 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 616552 is about 785.2082526311. The cubic root of 616552 is about 85.1118251378. Note that the first 3 decimals are identical.

The spelling of 616552 in words is "six hundred sixteen thousand, five hundred fifty-two".