2152303581 has 16 divisors (see below), whose sum is σ = 3043713024. Its totient is φ = 1348168704.

The previous prime is 2152303567. The next prime is 2152303589. The reversal of 2152303581 is 1853032512.

It is not a de Polignac number, because 2152303581 - 2¹³ = 2152295389 is a prime.

It is a super-2 number, since 2×2152303581² = 9264821409570847122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152303589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341 + ... + 65826.

It is an arithmetic number, because the mean of its divisors is an integer number (190232064).

Almost surely, 2^2152303581 is an apocalyptic number.

It is an amenable number.

2152303581 is a deficient number, since it is larger than the sum of its proper divisors (891409443).

2152303581 is a wasteful number, since it uses less digits than its factorization.

2152303581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71780.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2152303581 is about 46392.9259801535. The cubic root of 2152303581 is about 1291.1236690893.

The spelling of 2152303581 in words is "two billion, one hundred fifty-two million, three hundred three thousand, five hundred eighty-one".