1530922457 has 2 divisors, whose sum is σ = 1530922458. Its totient is φ = 1530922456.

The previous prime is 1530922451. The next prime is 1530922487. The reversal of 1530922457 is 7542290351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883932361 + 646990096 = 29731^2 + 25436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530922457 - 2¹⁴ = 1530906073 is a prime.

It is a super-3 number, since 3×1530922457³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1530922457.

It is not a weakly prime, because it can be changed into another prime (1530922451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765461228 + 765461229.

It is an arithmetic number, because the mean of its divisors is an integer number (765461229).

Almost surely, 2^1530922457 is an apocalyptic number.

It is an amenable number.

1530922457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530922457 is an equidigital number, since it uses as much as digits as its factorization.

1530922457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1530922457 is about 39127.0041914788. The cubic root of 1530922457 is about 1152.5268839631.

The spelling of 1530922457 in words is "one billion, five hundred thirty million, nine hundred twenty-two thousand, four hundred fifty-seven".