2512691 has 2 divisors, whose sum is σ = 2512692. Its totient is φ = 2512690.

The previous prime is 2512673. The next prime is 2512709. The reversal of 2512691 is 1962152.

It is a balanced prime because it is at equal distance from previous prime (2512673) and next prime (2512709).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512691 is a prime.

It is a super-2 number, since 2×2512691² = 12627232122962, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2512691.

It is not a weakly prime, because it can be changed into another prime (2512661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256345 + 1256346.

It is an arithmetic number, because the mean of its divisors is an integer number (1256346).

2^2512691 is an apocalyptic number.

2512691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512691 is an equidigital number, since it uses as much as digits as its factorization.

2512691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 2512691 is about 1585.1469963382. The cubic root of 2512691 is about 135.9501511368.

The spelling of 2512691 in words is "two million, five hundred twelve thousand, six hundred ninety-one".