1057248629 has 2 divisors, whose sum is σ = 1057248630. Its totient is φ = 1057248628.

The previous prime is 1057248607. The next prime is 1057248637. The reversal of 1057248629 is 9268427501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992880100 + 64368529 = 31510^2 + 8023^2 .

It is an emirp because it is prime and its reverse (9268427501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057248629 - 2¹⁶ = 1057183093 is a prime.

It is a super-2 number, since 2×1057248629² = 2235549327044759282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057248629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057248029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528624314 + 528624315.

It is an arithmetic number, because the mean of its divisors is an integer number (528624315).

Almost surely, 2^1057248629 is an apocalyptic number.

It is an amenable number.

1057248629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057248629 is an equidigital number, since it uses as much as digits as its factorization.

1057248629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1057248629 is about 32515.3598934411. The cubic root of 1057248629 is about 1018.7298778115.

The spelling of 1057248629 in words is "one billion, fifty-seven million, two hundred forty-eight thousand, six hundred twenty-nine".