1053430657 has 2 divisors, whose sum is σ = 1053430658. Its totient is φ = 1053430656.

The previous prime is 1053430649. The next prime is 1053430667. The reversal of 1053430657 is 7560343501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046587201 + 6843456 = 32351^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053430657 - 2³ = 1053430649 is a prime.

It is a super-2 number, since 2×1053430657² = 2219432298214903298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053430607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526715328 + 526715329.

It is an arithmetic number, because the mean of its divisors is an integer number (526715329).

Almost surely, 2^1053430657 is an apocalyptic number.

It is an amenable number.

1053430657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053430657 is an equidigital number, since it uses as much as digits as its factorization.

1053430657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1053430657 is about 32456.5965098006. The cubic root of 1053430657 is about 1017.5021081078.

The spelling of 1053430657 in words is "one billion, fifty-three million, four hundred thirty thousand, six hundred fifty-seven".