2257355453 has 2 divisors, whose sum is σ = 2257355454. Its totient is φ = 2257355452.

The previous prime is 2257355449. The next prime is 2257355473. The reversal of 2257355453 is 3545537522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1983188089 + 274167364 = 44533^2 + 16558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257355453 - 2² = 2257355449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257355453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257355423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128677726 + 1128677727.

It is an arithmetic number, because the mean of its divisors is an integer number (1128677727).

Almost surely, 2^2257355453 is an apocalyptic number.

It is an amenable number.

2257355453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257355453 is an equidigital number, since it uses as much as digits as its factorization.

2257355453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630000, while the sum is 41.

The square root of 2257355453 is about 47511.6349224061. The cubic root of 2257355453 is about 1311.7970506168.

The spelling of 2257355453 in words is "two billion, two hundred fifty-seven million, three hundred fifty-five thousand, four hundred fifty-three".