2715551 has 2 divisors, whose sum is σ = 2715552. Its totient is φ = 2715550.

The previous prime is 2715547. The next prime is 2715571. The reversal of 2715551 is 1555172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2715551 - 2² = 2715547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2715551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2715521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357775 + 1357776.

It is an arithmetic number, because the mean of its divisors is an integer number (1357776).

2^2715551 is an apocalyptic number.

2715551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2715551 is an equidigital number, since it uses as much as digits as its factorization.

2715551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1750, while the sum is 26.

The square root of 2715551 is about 1647.8928970051. The cubic root of 2715551 is about 139.5144917136.

The spelling of 2715551 in words is "two million, seven hundred fifteen thousand, five hundred fifty-one".