616240501 has 2 divisors, whose sum is σ = 616240502. Its totient is φ = 616240500.

The previous prime is 616240477. The next prime is 616240507. The reversal of 616240501 is 105042616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450500625 + 165739876 = 21225^2 + 12874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616240501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616240507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308120250 + 308120251.

It is an arithmetic number, because the mean of its divisors is an integer number (308120251).

Almost surely, 2^616240501 is an apocalyptic number.

It is an amenable number.

616240501 is a deficient number, since it is larger than the sum of its proper divisors (1).

616240501 is an equidigital number, since it uses as much as digits as its factorization.

616240501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 616240501 is about 24824.1918498871. The cubic root of 616240501 is about 850.9748911285.

The spelling of 616240501 in words is "six hundred sixteen million, two hundred forty thousand, five hundred one".