616212433 has 4 divisors (see below), whose sum is σ = 616439988. Its totient is φ = 615984880.

The previous prime is 616212431. The next prime is 616212449. The reversal of 616212433 is 334212616.

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 377602624 + 238609809 = 19432^2 + 15447^2 .

It is a cyclic number.

It is not a de Polignac number, because 616212433 - 2¹ = 616212431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616212431) 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, 109666 + ... + 115147.

It is an arithmetic number, because the mean of its divisors is an integer number (154109997).

Almost surely, 2^616212433 is an apocalyptic number.

It is an amenable number.

616212433 is a deficient number, since it is larger than the sum of its proper divisors (227555).

616212433 is a wasteful number, since it uses less digits than its factorization.

616212433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227554.

The product of its digits is 5184, while the sum is 28.

The square root of 616212433 is about 24823.6265078252. The cubic root of 616212433 is about 850.9619711047.

The spelling of 616212433 in words is "six hundred sixteen million, two hundred twelve thousand, four hundred thirty-three".