1563365292 has 96 divisors (see below), whose sum is σ = 4044902400. Its totient is φ = 468179712.

The previous prime is 1563365273. The next prime is 1563365311. The reversal of 1563365292 is 2925633651.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1563365273) and next prime (1563365311).

It is a super-2 number, since 2×1563365292² = 4888222072460490528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293509 + ... + 298787.

It is an arithmetic number, because the mean of its divisors is an integer number (42134400).

Almost surely, 2^1563365292 is an apocalyptic number.

1563365292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563365292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022451200).

1563365292 is an abundant number, since it is smaller than the sum of its proper divisors (2481537108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1563365292 is a wasteful number, since it uses less digits than its factorization.

1563365292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 1563365292 is about 39539.4144114452. The cubic root of 1563365292 is about 1160.6113731241.

The spelling of 1563365292 in words is "one billion, five hundred sixty-three million, three hundred sixty-five thousand, two hundred ninety-two".