616330541 has 2 divisors, whose sum is σ = 616330542. Its totient is φ = 616330540.

The previous prime is 616330537. The next prime is 616330543. The reversal of 616330541 is 145033616.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518518441 + 97812100 = 22771^2 + 9890^2 .

It is a cyclic number.

It is not a de Polignac number, because 616330541 - 2² = 616330537 is a prime.

It is a Sophie Germain prime.

Together with 616330543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616330543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308165270 + 308165271.

It is an arithmetic number, because the mean of its divisors is an integer number (308165271).

Almost surely, 2^616330541 is an apocalyptic number.

It is an amenable number.

616330541 is a deficient number, since it is larger than the sum of its proper divisors (1).

616330541 is an equidigital number, since it uses as much as digits as its factorization.

616330541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 616330541 is about 24826.0053371460. The cubic root of 616330541 is about 851.0163349304.

The spelling of 616330541 in words is "six hundred sixteen million, three hundred thirty thousand, five hundred forty-one".