1649059 has 2 divisors, whose sum is σ = 1649060. Its totient is φ = 1649058.

The previous prime is 1649023. The next prime is 1649099. The reversal of 1649059 is 9509461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1649059 - 2¹⁵ = 1616291 is a prime.

It is a super-3 number, since 3×1649059³ = 13453331294393137137, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1649099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824529 + 824530.

It is an arithmetic number, because the mean of its divisors is an integer number (824530).

2^1649059 is an apocalyptic number.

1649059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649059 is an equidigital number, since it uses as much as digits as its factorization.

1649059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1649059 is about 1284.1569218752. The cubic root of 1649059 is about 118.1441071898.

The spelling of 1649059 in words is "one million, six hundred forty-nine thousand, fifty-nine".