1563874345 has 8 divisors (see below), whose sum is σ = 2047253760. Its totient is φ = 1137363120.

The previous prime is 1563874321. The next prime is 1563874369. The reversal of 1563874345 is 5434783651.

It is an interprime number because it is at equal distance from previous prime (1563874321) and next prime (1563874369).

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

It is not a de Polignac number, because 1563874345 - 2⁵ = 1563874313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563874295 and 1563874304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14216985 + ... + 14217094.

It is an arithmetic number, because the mean of its divisors is an integer number (255906720).

Almost surely, 2^1563874345 is an apocalyptic number.

It is an amenable number.

1563874345 is a deficient number, since it is larger than the sum of its proper divisors (483379415).

1563874345 is a wasteful number, since it uses less digits than its factorization.

1563874345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28434095.

The product of its digits is 1209600, while the sum is 46.

The square root of 1563874345 is about 39545.8511730371. The cubic root of 1563874345 is about 1160.7373297362.

The spelling of 1563874345 in words is "one billion, five hundred sixty-three million, eight hundred seventy-four thousand, three hundred forty-five".