2552587649 has 2 divisors, whose sum is σ = 2552587650. Its totient is φ = 2552587648.

The previous prime is 2552587591. The next prime is 2552587657. The reversal of 2552587649 is 9467852552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2203645249 + 348942400 = 46943^2 + 18680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552587649 - 2²⁰ = 2551539073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552587649.

It is not a weakly prime, because it can be changed into another prime (2552587049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276293824 + 1276293825.

It is an arithmetic number, because the mean of its divisors is an integer number (1276293825).

Almost surely, 2^2552587649 is an apocalyptic number.

It is an amenable number.

2552587649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552587649 is an equidigital number, since it uses as much as digits as its factorization.

2552587649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 53.

The square root of 2552587649 is about 50523.1397381437. The cubic root of 2552587649 is about 1366.6591745442.

The spelling of 2552587649 in words is "two billion, five hundred fifty-two million, five hundred eighty-seven thousand, six hundred forty-nine".