1534049561 has 16 divisors (see below), whose sum is σ = 1757030400. Its totient is φ = 1325736720.

The previous prime is 1534049557. The next prime is 1534049567. The reversal of 1534049561 is 1659404351.

It is not a de Polignac number, because 1534049561 - 2² = 1534049557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534049567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22640 + ... + 59838.

It is an arithmetic number, because the mean of its divisors is an integer number (109814400).

Almost surely, 2^1534049561 is an apocalyptic number.

1534049561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1534049561 is a deficient number, since it is larger than the sum of its proper divisors (222980839).

1534049561 is a wasteful number, since it uses less digits than its factorization.

1534049561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37396.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1534049561 is about 39166.9447493674. The cubic root of 1534049561 is about 1153.3110778911.

The spelling of 1534049561 in words is "one billion, five hundred thirty-four million, forty-nine thousand, five hundred sixty-one".