2531069 has 2 divisors, whose sum is σ = 2531070. Its totient is φ = 2531068.

The previous prime is 2531027. The next prime is 2531083. The reversal of 2531069 is 9601352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 879844 = 1285^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531069 is a prime.

It is a super-2 number, since 2×2531069² = 12812620565522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265534 + 1265535.

It is an arithmetic number, because the mean of its divisors is an integer number (1265535).

2^2531069 is an apocalyptic number.

It is an amenable number.

2531069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531069 is an equidigital number, since it uses as much as digits as its factorization.

2531069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2531069 is about 1590.9333738407. The cubic root of 2531069 is about 136.2807960015.

The spelling of 2531069 in words is "two million, five hundred thirty-one thousand, sixty-nine".