2052155239 has 4 divisors (see below), whose sum is σ = 2052443320. Its totient is φ = 2051867160.

The previous prime is 2052155233. The next prime is 2052155291. The reversal of 2052155239 is 9325512502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2052155239 - 2⁷ = 2052155111 is a prime.

It is a super-2 number, since 2×2052155239² = 8422682249910294242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052155233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133077 + ... + 147694.

It is an arithmetic number, because the mean of its divisors is an integer number (513110830).

Almost surely, 2^2052155239 is an apocalyptic number.

2052155239 is a deficient number, since it is larger than the sum of its proper divisors (288081).

2052155239 is an equidigital number, since it uses as much as digits as its factorization.

2052155239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288080.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2052155239 is about 45300.7200715397. The cubic root of 2052155239 is about 1270.7791195472.

The spelling of 2052155239 in words is "two billion, fifty-two million, one hundred fifty-five thousand, two hundred thirty-nine".