1604051 has 2 divisors, whose sum is σ = 1604052. Its totient is φ = 1604050.

The previous prime is 1604021. The next prime is 1604059. The reversal of 1604051 is 1504061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1604051 - 2¹⁰ = 1603027 is a prime.

It is a super-2 number, since 2×1604051² = 5145959221202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p₁₂₁₄₃₆ and since 1604051 and 121436 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1604059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802025 + 802026.

It is an arithmetic number, because the mean of its divisors is an integer number (802026).

2^1604051 is an apocalyptic number.

1604051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604051 is an equidigital number, since it uses as much as digits as its factorization.

1604051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1604051 is about 1266.5113501268. The cubic root of 1604051 is about 117.0593363039.

The spelling of 1604051 in words is "one million, six hundred four thousand, fifty-one".