1530274477 has 12 divisors (see below), whose sum is σ = 1556483040. Its totient is φ = 1504489272.

The previous prime is 1530274469. The next prime is 1530274513. The reversal of 1530274477 is 7744720351.

It is not a de Polignac number, because 1530274477 - 2³ = 1530274469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530274177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240178 + ... + 2240860.

It is an arithmetic number, because the mean of its divisors is an integer number (129706920).

Almost surely, 2^1530274477 is an apocalyptic number.

It is an amenable number.

1530274477 is a deficient number, since it is larger than the sum of its proper divisors (26208563).

1530274477 is an frugal number, since it uses more digits than its factorization.

1530274477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 1530274477 is about 39118.7228446942. The cubic root of 1530274477 is about 1152.3642543979.

The spelling of 1530274477 in words is "one billion, five hundred thirty million, two hundred seventy-four thousand, four hundred seventy-seven".