2521352072 has 36 divisors (see below), whose sum is σ = 4856869935. Its totient is φ = 1227087360.

The previous prime is 2521352063. The next prime is 2521352077. The reversal of 2521352072 is 2702531252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 122899396 + 2398452676 = 11086^2 + 48974^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=35506.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521352077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5822768 + ... + 5823200.

Almost surely, 2^2521352072 is an apocalyptic number.

It is an amenable number.

2521352072 is a deficient number, since it is larger than the sum of its proper divisors (2335517863).

2521352072 is an frugal number, since it uses more digits than its factorization.

2521352072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2521352072 is about 50213.0667456191. The cubic root of 2521352072 is about 1361.0617559318.

The spelling of 2521352072 in words is "two billion, five hundred twenty-one million, three hundred fifty-two thousand, seventy-two".