1056253259 has 2 divisors, whose sum is σ = 1056253260. Its totient is φ = 1056253258.

The previous prime is 1056253249. The next prime is 1056253267. The reversal of 1056253259 is 9523526501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056253259 - 2¹² = 1056249163 is a prime.

It is a super-2 number, since 2×1056253259² = 2231341894296242162, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1056253249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528126629 + 528126630.

It is an arithmetic number, because the mean of its divisors is an integer number (528126630).

Almost surely, 2^1056253259 is an apocalyptic number.

1056253259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056253259 is an equidigital number, since it uses as much as digits as its factorization.

1056253259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 1056253259 is about 32500.0501384229. The cubic root of 1056253259 is about 1018.4100755377.

The spelling of 1056253259 in words is "one billion, fifty-six million, two hundred fifty-three thousand, two hundred fifty-nine".