1618051 has 2 divisors, whose sum is σ = 1618052. Its totient is φ = 1618050.

The previous prime is 1618049. The next prime is 1618079. The reversal of 1618051 is 1508161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1618051 - 2¹ = 1618049 is a prime.

Together with 1618049, 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 (1618081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809025 + 809026.

It is an arithmetic number, because the mean of its divisors is an integer number (809026).

2^1618051 is an apocalyptic number.

1618051 is the 805-th centered pentagonal number.

1618051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618051 is an equidigital number, since it uses as much as digits as its factorization.

1618051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1618051 is about 1272.0263362053. The cubic root of 1618051 is about 117.3989110933.

The spelling of 1618051 in words is "one million, six hundred eighteen thousand, fifty-one".