1561483 has 12 divisors (see below), whose sum is σ = 1982232. Its totient is φ = 1216320.

The previous prime is 1561463. The next prime is 1561499. The reversal of 1561483 is 3841651.

It is not a de Polignac number, because 1561483 - 2¹³ = 1553291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1561423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (165186).

2^1561483 is an apocalyptic number.

1561483 is a deficient number, since it is larger than the sum of its proper divisors (420749).

1561483 is a wasteful number, since it uses less digits than its factorization.

1561483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2915 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1561483 is about 1249.5931337840. The cubic root of 1561483 is about 116.0145393983.

The spelling of 1561483 in words is "one million, five hundred sixty-one thousand, four hundred eighty-three".