616732433 has 4 divisors (see below), whose sum is σ = 628368948. Its totient is φ = 605095920.

The previous prime is 616732423. The next prime is 616732451. The reversal of 616732433 is 334237616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 548636929 + 68095504 = 23423^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 616732433 - 2¹² = 616728337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616732393 and 616732402.

It is not an unprimeable number, because it can be changed into a prime (616732423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818178 + ... + 5818283.

It is an arithmetic number, because the mean of its divisors is an integer number (157092237).

Almost surely, 2^616732433 is an apocalyptic number.

It is an amenable number.

616732433 is a deficient number, since it is larger than the sum of its proper divisors (11636515).

616732433 is a wasteful number, since it uses less digits than its factorization.

616732433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636514.

The product of its digits is 54432, while the sum is 35.

The square root of 616732433 is about 24834.0981918007. The cubic root of 616732433 is about 851.2012694318.

The spelling of 616732433 in words is "six hundred sixteen million, seven hundred thirty-two thousand, four hundred thirty-three".