1783563725 has 24 divisors (see below), whose sum is σ = 2390963040. Its totient is φ = 1315206720.

The previous prime is 1783563709. The next prime is 1783563739. The reversal of 1783563725 is 5273653871.

It is not a de Polignac number, because 1783563725 - 2⁴ = 1783563709 is a prime.

It is a super-2 number, since 2×1783563725² = 6362199122271751250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1783563725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33167 + ... + 68316.

It is an arithmetic number, because the mean of its divisors is an integer number (99623460).

Almost surely, 2^1783563725 is an apocalyptic number.

It is an amenable number.

1783563725 is a deficient number, since it is larger than the sum of its proper divisors (607399315).

1783563725 is a wasteful number, since it uses less digits than its factorization.

1783563725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101549 (or 101544 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 1783563725 is about 42232.2592931044. The cubic root of 1783563725 is about 1212.7265258560.

The spelling of 1783563725 in words is "one billion, seven hundred eighty-three million, five hundred sixty-three thousand, seven hundred twenty-five".