618376051 has 2 divisors, whose sum is σ = 618376052. Its totient is φ = 618376050.

The previous prime is 618376049. The next prime is 618376141. The reversal of 618376051 is 150673816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618376051 - 2¹ = 618376049 is a prime.

Together with 618376049, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 618376051.

It is not a weakly prime, because it can be changed into another prime (618376001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309188025 + 309188026.

It is an arithmetic number, because the mean of its divisors is an integer number (309188026).

Almost surely, 2^618376051 is an apocalyptic number.

618376051 is a deficient number, since it is larger than the sum of its proper divisors (1).

618376051 is an equidigital number, since it uses as much as digits as its factorization.

618376051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 618376051 is about 24867.1681339070. The cubic root of 618376051 is about 851.9567611426.

The spelling of 618376051 in words is "six hundred eighteen million, three hundred seventy-six thousand, fifty-one".