2696521 has 2 divisors, whose sum is σ = 2696522. Its totient is φ = 2696520.

The previous prime is 2696513. The next prime is 2696527. The reversal of 2696521 is 1256962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 705600 = 1411^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2696521 - 2³ = 2696513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2696527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348260 + 1348261.

It is an arithmetic number, because the mean of its divisors is an integer number (1348261).

2^2696521 is an apocalyptic number.

It is an amenable number.

2696521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2696521 is an equidigital number, since it uses as much as digits as its factorization.

2696521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2696521 is about 1642.1087052933. The cubic root of 2696521 is about 139.1878315705.

The spelling of 2696521 in words is "two million, six hundred ninety-six thousand, five hundred twenty-one".