2125543074 has 16 divisors (see below), whose sum is σ = 4354771680. Its totient is φ = 691233440.

The previous prime is 2125543073. The next prime is 2125543097. The reversal of 2125543074 is 4703455212.

It is not an unprimeable number, because it can be changed into a prime (2125543073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4319964 + ... + 4320455.

It is an arithmetic number, because the mean of its divisors is an integer number (272173230).

Almost surely, 2^2125543074 is an apocalyptic number.

2125543074 is an abundant number, since it is smaller than the sum of its proper divisors (2229228606).

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

2125543074 is a wasteful number, since it uses less digits than its factorization.

2125543074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640465.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 2125543074 is about 46103.6123747370. The cubic root of 2125543074 is about 1285.7503072694.

Adding to 2125543074 its reverse (4703455212), we get a palindrome (6828998286).

The spelling of 2125543074 in words is "two billion, one hundred twenty-five million, five hundred forty-three thousand, seventy-four".