2986531 has 2 divisors, whose sum is σ = 2986532. Its totient is φ = 2986530.

The previous prime is 2986519. The next prime is 2986541. The reversal of 2986531 is 1356892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2986531 - 2¹⁷ = 2855459 is a prime.

It is a super-2 number, since 2×2986531² = 17838734827922, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2986541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493265 + 1493266.

It is an arithmetic number, because the mean of its divisors is an integer number (1493266).

2^2986531 is an apocalyptic number.

2986531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986531 is an equidigital number, since it uses as much as digits as its factorization.

2986531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 2986531 is about 1728.1582682150. The cubic root of 2986531 is about 144.0087925444.

The spelling of 2986531 in words is "two million, nine hundred eighty-six thousand, five hundred thirty-one".