2980531 has 2 divisors, whose sum is σ = 2980532. Its totient is φ = 2980530.

The previous prime is 2980513. The next prime is 2980541. The reversal of 2980531 is 1350892.

Together with previous prime (2980513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2980531 - 2⁷ = 2980403 is a prime.

It is a super-2 number, since 2×2980531² = 17767130083922, which contains 22 as substring.

2980531 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2980531.

It is not a weakly prime, because it can be changed into another prime (2980541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490265 + 1490266.

It is an arithmetic number, because the mean of its divisors is an integer number (1490266).

2^2980531 is an apocalyptic number.

2980531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2980531 is an equidigital number, since it uses as much as digits as its factorization.

2980531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2980531 is about 1726.4214433330. The cubic root of 2980531 is about 143.9122890498.

The spelling of 2980531 in words is "two million, nine hundred eighty thousand, five hundred thirty-one".