1563282402 has 64 divisors (see below), whose sum is σ = 3471206400. Its totient is φ = 465382400.

The previous prime is 1563282401. The next prime is 1563282403. The reversal of 1563282402 is 2042823651.

It is an interprime number because it is at equal distance from previous prime (1563282401) and next prime (1563282403).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1563282401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2103643 + ... + 2104385.

It is an arithmetic number, because the mean of its divisors is an integer number (54237600).

Almost surely, 2^1563282402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563282402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735603200).

1563282402 is an abundant number, since it is smaller than the sum of its proper divisors (1907923998).

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

1563282402 is a wasteful number, since it uses less digits than its factorization.

1563282402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1563282402 is about 39538.3662029680. The cubic root of 1563282402 is about 1160.5908607978.

The spelling of 1563282402 in words is "one billion, five hundred sixty-three million, two hundred eighty-two thousand, four hundred two".