616054345 has 4 divisors (see below), whose sum is σ = 739265220. Its totient is φ = 492843472.

The previous prime is 616054331. The next prime is 616054363. The reversal of 616054345 is 543450616.

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 142730809 + 473323536 = 11947^2 + 21756^2 .

It is a cyclic number.

It is not a de Polignac number, because 616054345 - 2⁹ = 616053833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616054345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61605430 + ... + 61605439.

It is an arithmetic number, because the mean of its divisors is an integer number (184816305).

Almost surely, 2^616054345 is an apocalyptic number.

It is an amenable number.

616054345 is a deficient number, since it is larger than the sum of its proper divisors (123210875).

616054345 is a wasteful number, since it uses less digits than its factorization.

616054345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123210874.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 616054345 is about 24820.4420790606. The cubic root of 616054345 is about 850.8891940478.

The spelling of 616054345 in words is "six hundred sixteen million, fifty-four thousand, three hundred forty-five".