1253442059 has 2 divisors, whose sum is σ = 1253442060. Its totient is φ = 1253442058.

The previous prime is 1253441993. The next prime is 1253442067. The reversal of 1253442059 is 9502443521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253442059 - 2⁸ = 1253441803 is a prime.

It is a super-2 number, since 2×1253442059² = 3142233990540318962, 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 (1253447059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626721029 + 626721030.

It is an arithmetic number, because the mean of its divisors is an integer number (626721030).

Almost surely, 2^1253442059 is an apocalyptic number.

1253442059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253442059 is an equidigital number, since it uses as much as digits as its factorization.

1253442059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1253442059 is about 35403.9836600346. The cubic root of 1253442059 is about 1078.2051976794.

The spelling of 1253442059 in words is "one billion, two hundred fifty-three million, four hundred forty-two thousand, fifty-nine".