18374051 has 2 divisors, whose sum is σ = 18374052. Its totient is φ = 18374050.

The previous prime is 18374047. The next prime is 18374053. The reversal of 18374051 is 15047381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18374051 - 2² = 18374047 is a prime.

Together with 18374053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18374053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9187025 + 9187026.

It is an arithmetic number, because the mean of its divisors is an integer number (9187026).

Almost surely, 2^18374051 is an apocalyptic number.

18374051 is a deficient number, since it is larger than the sum of its proper divisors (1).

18374051 is an equidigital number, since it uses as much as digits as its factorization.

18374051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18374051 is about 4286.4963548334. The cubic root of 18374051 is about 263.8770614845.

The spelling of 18374051 in words is "eighteen million, three hundred seventy-four thousand, fifty-one".