2510531 has 2 divisors, whose sum is σ = 2510532. Its totient is φ = 2510530.

The previous prime is 2510513. The next prime is 2510533. The reversal of 2510531 is 1350152.

2510531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2510513) 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 a de Polignac number, because none of the positive numbers 2^k-2510531 is a prime.

It is a super-2 number, since 2×2510531² = 12605531803922, which contains 22 as substring.

Together with 2510533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2510533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255265 + 1255266.

It is an arithmetic number, because the mean of its divisors is an integer number (1255266).

2^2510531 is an apocalyptic number.

2510531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2510531 is an equidigital number, since it uses as much as digits as its factorization.

2510531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 2510531 is about 1584.4655250273. The cubic root of 2510531 is about 135.9111840810.

Adding to 2510531 its reverse (1350152), we get a palindrome (3860683).

The spelling of 2510531 in words is "two million, five hundred ten thousand, five hundred thirty-one".