2998531 has 2 divisors, whose sum is σ = 2998532. Its totient is φ = 2998530.

The previous prime is 2998483. The next prime is 2998549. The reversal of 2998531 is 1358992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2998531 - 2⁷ = 2998403 is a prime.

It is a super-2 number, since 2×2998531² = 17982376315922, which contains 22 as substring.

2998531 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2998031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499265 + 1499266.

It is an arithmetic number, because the mean of its divisors is an integer number (1499266).

2^2998531 is an apocalyptic number.

2998531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998531 is an equidigital number, since it uses as much as digits as its factorization.

2998531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 2998531 is about 1731.6266918710. The cubic root of 2998531 is about 144.2014124693.

The spelling of 2998531 in words is "two million, nine hundred ninety-eight thousand, five hundred thirty-one".