1530270461 has 4 divisors (see below), whose sum is σ = 1555356924. Its totient is φ = 1505184000.

The previous prime is 1530270439. The next prime is 1530270479. The reversal of 1530270461 is 1640720351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 553707961 + 976562500 = 23531^2 + 31250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530270461 - 2²⁶ = 1463161597 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 (1530270061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12543140 + ... + 12543261.

It is an arithmetic number, because the mean of its divisors is an integer number (388839231).

Almost surely, 2^1530270461 is an apocalyptic number.

It is an amenable number.

1530270461 is a deficient number, since it is larger than the sum of its proper divisors (25086463).

1530270461 is an equidigital number, since it uses as much as digits as its factorization.

1530270461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086462.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1530270461 is about 39118.6715137414. The cubic root of 1530270461 is about 1152.3632463219.

The spelling of 1530270461 in words is "one billion, five hundred thirty million, two hundred seventy thousand, four hundred sixty-one".