616315601 has 4 divisors (see below), whose sum is σ = 672344304. Its totient is φ = 560286900.

The previous prime is 616315591. The next prime is 616315607. The reversal of 616315601 is 106513616.

616315601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616315601 - 2¹⁴ = 616299217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616315607) 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, 28014335 + ... + 28014356.

It is an arithmetic number, because the mean of its divisors is an integer number (168086076).

Almost surely, 2^616315601 is an apocalyptic number.

It is an amenable number.

616315601 is a deficient number, since it is larger than the sum of its proper divisors (56028703).

616315601 is a wasteful number, since it uses less digits than its factorization.

616315601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56028702.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 616315601 is about 24825.7044411634. The cubic root of 616315601 is about 851.0094585949.

The spelling of 616315601 in words is "six hundred sixteen million, three hundred fifteen thousand, six hundred one".