2152052545 has 8 divisors (see below), whose sum is σ = 2631189096. Its totient is φ = 1689158016.

The previous prime is 2152052531. The next prime is 2152052549. The reversal of 2152052545 is 5452502512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 414163201 + 1737889344 = 20351^2 + 41688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152052545 - 2⁷ = 2152052417 is a prime.

It is a super-3 number, since 3×2152052545³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152052549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060212 + ... + 4060741.

It is an arithmetic number, because the mean of its divisors is an integer number (328898637).

Almost surely, 2^2152052545 is an apocalyptic number.

It is an amenable number.

2152052545 is a deficient number, since it is larger than the sum of its proper divisors (479136551).

2152052545 is an equidigital number, since it uses as much as digits as its factorization.

2152052545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121011.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2152052545 is about 46390.2203594680. The cubic root of 2152052545 is about 1291.0734699869.

The spelling of 2152052545 in words is "two billion, one hundred fifty-two million, fifty-two thousand, five hundred forty-five".