2255064397 has 4 divisors (see below), whose sum is σ = 2257982460. Its totient is φ = 2252146336.

The previous prime is 2255064373. The next prime is 2255064431. The reversal of 2255064397 is 7934605522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7934605522 = 2 ⋅3967302761.

It can be written as a sum of positive squares in 2 ways, for example, as 1405575081 + 849489316 = 37491^2 + 29146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255064397 - 2¹⁵ = 2255031629 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 (2255064337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457872 + ... + 1459417.

It is an arithmetic number, because the mean of its divisors is an integer number (564495615).

Almost surely, 2^2255064397 is an apocalyptic number.

It is an amenable number.

2255064397 is a deficient number, since it is larger than the sum of its proper divisors (2918063).

2255064397 is an equidigital number, since it uses as much as digits as its factorization.

2255064397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918062.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 2255064397 is about 47487.5183285040. The cubic root of 2255064397 is about 1311.3531066750.

The spelling of 2255064397 in words is "two billion, two hundred fifty-five million, sixty-four thousand, three hundred ninety-seven".