1530140473 has 2 divisors, whose sum is σ = 1530140474. Its totient is φ = 1530140472.

The previous prime is 1530140453. The next prime is 1530140483. The reversal of 1530140473 is 3740410351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530139689 + 784 = 39117^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530140473 - 2¹³ = 1530132281 is a prime.

It is a super-2 number, since 2×1530140473² = 4682659734225327458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1530140453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765070236 + 765070237.

It is an arithmetic number, because the mean of its divisors is an integer number (765070237).

Almost surely, 2^1530140473 is an apocalyptic number.

It is an amenable number.

1530140473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530140473 is an equidigital number, since it uses as much as digits as its factorization.

1530140473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1530140473 is about 39117.0100212171. The cubic root of 1530140473 is about 1152.3306164395.

The spelling of 1530140473 in words is "one billion, five hundred thirty million, one hundred forty thousand, four hundred seventy-three".