2552911397 has 4 divisors (see below), whose sum is σ = 2587882860. Its totient is φ = 2517939936.

The previous prime is 2552911393. The next prime is 2552911399. The reversal of 2552911397 is 7931192552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1163560321 + 1389351076 = 34111^2 + 37274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552911397 - 2² = 2552911393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552911393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17485622 + ... + 17485767.

It is an arithmetic number, because the mean of its divisors is an integer number (646970715).

Almost surely, 2^2552911397 is an apocalyptic number.

It is an amenable number.

2552911397 is a deficient number, since it is larger than the sum of its proper divisors (34971463).

2552911397 is an equidigital number, since it uses as much as digits as its factorization.

2552911397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34971462.

The product of its digits is 170100, while the sum is 44.

The square root of 2552911397 is about 50526.3435942084. The cubic root of 2552911397 is about 1366.7169504865.

The spelling of 2552911397 in words is "two billion, five hundred fifty-two million, nine hundred eleven thousand, three hundred ninety-seven".