616898351 has 2 divisors, whose sum is σ = 616898352. Its totient is φ = 616898350.

The previous prime is 616898287. The next prime is 616898371. The reversal of 616898351 is 153898616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616898351 - 2⁶ = 616898287 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 616898296 and 616898305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616898371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308449175 + 308449176.

It is an arithmetic number, because the mean of its divisors is an integer number (308449176).

Almost surely, 2^616898351 is an apocalyptic number.

616898351 is a deficient number, since it is larger than the sum of its proper divisors (1).

616898351 is an equidigital number, since it uses as much as digits as its factorization.

616898351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 616898351 is about 24837.4384951428. The cubic root of 616898351 is about 851.2775947779.

The spelling of 616898351 in words is "six hundred sixteen million, eight hundred ninety-eight thousand, three hundred fifty-one".