1561482093 has 8 divisors (see below), whose sum is σ = 2085196608. Its totient is φ = 1039377824.

The previous prime is 1561482053. The next prime is 1561482161. The reversal of 1561482093 is 3902841651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1561482093 - 2¹⁰ = 1561481069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1561482053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400296 + ... + 404177.

It is an arithmetic number, because the mean of its divisors is an integer number (260649576).

Almost surely, 2^1561482093 is an apocalyptic number.

It is an amenable number.

1561482093 is a deficient number, since it is larger than the sum of its proper divisors (523714515).

1561482093 is an equidigital number, since it uses as much as digits as its factorization.

1561482093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805123.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1561482093 is about 39515.5930361674. The cubic root of 1561482093 is about 1160.1451693567.

The spelling of 1561482093 in words is "one billion, five hundred sixty-one million, four hundred eighty-two thousand, ninety-three".