616546241 has 4 divisors (see below), whose sum is σ = 618264000. Its totient is φ = 614828484.

The previous prime is 616546237. The next prime is 616546243. The reversal of 616546241 is 142645616.

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 616546241 - 2² = 616546237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616546243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858341 + ... + 859058.

It is an arithmetic number, because the mean of its divisors is an integer number (154566000).

Almost surely, 2^616546241 is an apocalyptic number.

It is an amenable number.

616546241 is a deficient number, since it is larger than the sum of its proper divisors (1717759).

616546241 is a wasteful number, since it uses less digits than its factorization.

616546241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717758.

The product of its digits is 34560, while the sum is 35.

The square root of 616546241 is about 24830.3491920674. The cubic root of 616546241 is about 851.1156013690.

The spelling of 616546241 in words is "six hundred sixteen million, five hundred forty-six thousand, two hundred forty-one".