1590049 has 2 divisors, whose sum is σ = 1590050. Its totient is φ = 1590048.

The previous prime is 1590047. The next prime is 1590073. The reversal of 1590049 is 9400951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 10000 = 1257^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1590049 - 2¹ = 1590047 is a prime.

Together with 1590047, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1589999 and 1590026.

It is not a weakly prime, because it can be changed into another prime (1590047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795024 + 795025.

It is an arithmetic number, because the mean of its divisors is an integer number (795025).

2^1590049 is an apocalyptic number.

It is an amenable number.

1590049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1590049 is an equidigital number, since it uses as much as digits as its factorization.

1590049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1590049 is about 1260.9714509060. The cubic root of 1590049 is about 116.7177309342.

The spelling of 1590049 in words is "one million, five hundred ninety thousand, forty-nine".