1506464461 has 4 divisors (see below), whose sum is σ = 1506593052. Its totient is φ = 1506335872.

The previous prime is 1506464459. The next prime is 1506464483. The reversal of 1506464461 is 1644646051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1644646051 = 1439 ⋅1142909.

It can be written as a sum of positive squares in 2 ways, for example, as 1136094436 + 370370025 = 33706^2 + 19245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1506464461 - 2¹ = 1506464459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1506464461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506464411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44740 + ... + 70813.

It is an arithmetic number, because the mean of its divisors is an integer number (376648263).

Almost surely, 2^1506464461 is an apocalyptic number.

It is an amenable number.

1506464461 is a deficient number, since it is larger than the sum of its proper divisors (128591).

1506464461 is a wasteful number, since it uses less digits than its factorization.

1506464461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128590.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1506464461 is about 38813.1995717952. The cubic root of 1506464461 is about 1146.3563215679.

The spelling of 1506464461 in words is "one billion, five hundred six million, four hundred sixty-four thousand, four hundred sixty-one".