1598131 has 2 divisors, whose sum is σ = 1598132. Its totient is φ = 1598130.

The previous prime is 1598111. The next prime is 1598137. The reversal of 1598131 is 1318951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1598131 - 2⁵ = 1598099 is a prime.

It is a super-2 number, since 2×1598131² = 5108045386322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1598131.

It is not a weakly prime, because it can be changed into another prime (1598137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799065 + 799066.

It is an arithmetic number, because the mean of its divisors is an integer number (799066).

2^1598131 is an apocalyptic number.

1598131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1598131 is an equidigital number, since it uses as much as digits as its factorization.

1598131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 28.

The square root of 1598131 is about 1264.1720610740. The cubic root of 1598131 is about 116.9151502080.

The spelling of 1598131 in words is "one million, five hundred ninety-eight thousand, one hundred thirty-one".