616532113 has 2 divisors, whose sum is σ = 616532114. Its totient is φ = 616532112.

The previous prime is 616532107. The next prime is 616532117. The reversal of 616532113 is 311235616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429608529 + 186923584 = 20727^2 + 13672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616532113 is a prime.

It is a super-2 number, since 2×616532113² = 760223692720489538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616532117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308266056 + 308266057.

It is an arithmetic number, because the mean of its divisors is an integer number (308266057).

Almost surely, 2^616532113 is an apocalyptic number.

It is an amenable number.

616532113 is a deficient number, since it is larger than the sum of its proper divisors (1).

616532113 is an equidigital number, since it uses as much as digits as its factorization.

616532113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 616532113 is about 24830.0646998754. The cubic root of 616532113 is about 851.1091002869.

Adding to 616532113 its reverse (311235616), we get a palindrome (927767729).

The spelling of 616532113 in words is "six hundred sixteen million, five hundred thirty-two thousand, one hundred thirteen".