2125530366 has 32 divisors (see below), whose sum is σ = 4503195648. Its totient is φ = 666526080.

The previous prime is 2125530359. The next prime is 2125530371. The reversal of 2125530366 is 6630355212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335811 + ... + 342081.

It is an arithmetic number, because the mean of its divisors is an integer number (140724864).

Almost surely, 2^2125530366 is an apocalyptic number.

2125530366 is an abundant number, since it is smaller than the sum of its proper divisors (2377665282).

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

2125530366 is a wasteful number, since it uses less digits than its factorization.

2125530366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 2125530366 is about 46103.4745545279. The cubic root of 2125530366 is about 1285.7477448894.

Adding to 2125530366 its reverse (6630355212), we get a palindrome (8755885578).

The spelling of 2125530366 in words is "two billion, one hundred twenty-five million, five hundred thirty thousand, three hundred sixty-six".