2190563525 has 12 divisors (see below), whose sum is σ = 2718336804. Its totient is φ = 1751136000.

The previous prime is 2190563519. The next prime is 2190563533. The reversal of 2190563525 is 5253650912.

It can be written as a sum of positive squares in 6 ways, for example, as 80263681 + 2110299844 = 8959^2 + 45938^2 .

It is not a de Polignac number, because 2190563525 - 2²² = 2186369221 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835 + ... + 66215.

It is an arithmetic number, because the mean of its divisors is an integer number (226528067).

Almost surely, 2^2190563525 is an apocalyptic number.

2190563525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2190563525 is a deficient number, since it is larger than the sum of its proper divisors (527773279).

2190563525 is a wasteful number, since it uses less digits than its factorization.

2190563525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65752 (or 65747 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 2190563525 is about 46803.4563360442. The cubic root of 2190563525 is about 1298.7292365240.

The spelling of 2190563525 in words is "two billion, one hundred ninety million, five hundred sixty-three thousand, five hundred twenty-five".