616533253 has 16 divisors (see below), whose sum is σ = 715851136. Its totient is φ = 520058880.

The previous prime is 616533233. The next prime is 616533287. The reversal of 616533253 is 352335616.

616533253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 616533253 - 2¹³ = 616525061 is a prime.

It is a super-2 number, since 2×616533253² = 760226504109524018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616533233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290725 + ... + 292837.

It is an arithmetic number, because the mean of its divisors is an integer number (44740696).

Almost surely, 2^616533253 is an apocalyptic number.

It is an amenable number.

616533253 is a deficient number, since it is larger than the sum of its proper divisors (99317883).

616533253 is a wasteful number, since it uses less digits than its factorization.

616533253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its digits is 48600, while the sum is 34.

The square root of 616533253 is about 24830.0876559065. The cubic root of 616533253 is about 851.1096248683.

Adding to 616533253 its reverse (352335616), we get a palindrome (968868869).

The spelling of 616533253 in words is "six hundred sixteen million, five hundred thirty-three thousand, two hundred fifty-three".