2523561140 has 24 divisors (see below), whose sum is σ = 5300491560. Its totient is φ = 1009231488.

The previous prime is 2523561119. The next prime is 2523561143. The reversal of 2523561140 is 411653252.

It can be written as a sum of positive squares in 4 ways, for example, as 1429142416 + 1094418724 = 37804^2 + 33082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523561143) 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, 145154 + ... + 161606.

It is an arithmetic number, because the mean of its divisors is an integer number (220853815).

Almost surely, 2^2523561140 is an apocalyptic number.

2523561140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523561140 is an abundant number, since it is smaller than the sum of its proper divisors (2776930420).

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

2523561140 is a wasteful number, since it uses less digits than its factorization.

2523561140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24131 (or 24129 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2523561140 is about 50235.0588732610. The cubic root of 2523561140 is about 1361.4591353560.

The spelling of 2523561140 in words is "two billion, five hundred twenty-three million, five hundred sixty-one thousand, one hundred forty".