2600531 has 2 divisors, whose sum is σ = 2600532. Its totient is φ = 2600530.

The previous prime is 2600519. The next prime is 2600561. The reversal of 2600531 is 1350062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2600531 - 2⁶ = 2600467 is a prime.

It is a super-2 number, since 2×2600531² = 13525522963922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2600561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300265 + 1300266.

It is an arithmetic number, because the mean of its divisors is an integer number (1300266).

2^2600531 is an apocalyptic number.

2600531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600531 is an equidigital number, since it uses as much as digits as its factorization.

2600531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2600531 is about 1612.6161973638. The cubic root of 2600531 is about 137.5162471160.

Adding to 2600531 its reverse (1350062), we get a palindrome (3950593).

The spelling of 2600531 in words is "two million, six hundred thousand, five hundred thirty-one".