2253443557 has 2 divisors, whose sum is σ = 2253443558. Its totient is φ = 2253443556.

The previous prime is 2253443539. The next prime is 2253443573. The reversal of 2253443557 is 7553443522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2234074756 + 19368801 = 47266^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253443557 - 2⁷ = 2253443429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2253443657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126721778 + 1126721779.

It is an arithmetic number, because the mean of its divisors is an integer number (1126721779).

Almost surely, 2^2253443557 is an apocalyptic number.

It is an amenable number.

2253443557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253443557 is an equidigital number, since it uses as much as digits as its factorization.

2253443557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 40.

The square root of 2253443557 is about 47470.4493026978. The cubic root of 2253443557 is about 1311.0388506072.

The spelling of 2253443557 in words is "two billion, two hundred fifty-three million, four hundred forty-three thousand, five hundred fifty-seven".