2615132243 has 4 divisors (see below), whose sum is σ = 2615828040. Its totient is φ = 2614436448.

The previous prime is 2615132231. The next prime is 2615132263. The reversal of 2615132243 is 3422315162.

It is a happy number.

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 2615132243 - 2¹⁰ = 2615131219 is a prime.

It is a super-2 number, since 2×2615132243² = 13677833296756422098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2615132263) 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, 342230 + ... + 349787.

It is an arithmetic number, because the mean of its divisors is an integer number (653957010).

Almost surely, 2^2615132243 is an apocalyptic number.

2615132243 is a deficient number, since it is larger than the sum of its proper divisors (695797).

2615132243 is an equidigital number, since it uses as much as digits as its factorization.

2615132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695796.

The product of its digits is 8640, while the sum is 29.

The square root of 2615132243 is about 51138.3637106234. The cubic root of 2615132243 is about 1377.7313848089.

The spelling of 2615132243 in words is "two billion, six hundred fifteen million, one hundred thirty-two thousand, two hundred forty-three".