1352442557 has 2 divisors, whose sum is σ = 1352442558. Its totient is φ = 1352442556.

The previous prime is 1352442517. The next prime is 1352442593. The reversal of 1352442557 is 7552442531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1347330436 + 5112121 = 36706^2 + 2261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352442557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1352442557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352442517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676221278 + 676221279.

It is an arithmetic number, because the mean of its divisors is an integer number (676221279).

Almost surely, 2^1352442557 is an apocalyptic number.

It is an amenable number.

1352442557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352442557 is an equidigital number, since it uses as much as digits as its factorization.

1352442557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 38.

The square root of 1352442557 is about 36775.5701111485. The cubic root of 1352442557 is about 1105.8756003625.

The spelling of 1352442557 in words is "one billion, three hundred fifty-two million, four hundred forty-two thousand, five hundred fifty-seven".