7235242161 has 128 divisors (see below), whose sum is σ = 12502425600. Its totient is φ = 3628800000.

The previous prime is 7235242129. The next prime is 7235242171. The reversal of 7235242161 is 1612425327.

It is not a de Polignac number, because 7235242161 - 2⁵ = 7235242129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7235242111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47915436 + ... + 47915586.

It is an arithmetic number, because the mean of its divisors is an integer number (97675200).

Almost surely, 2^7235242161 is an apocalyptic number.

It is an amenable number.

7235242161 is a deficient number, since it is larger than the sum of its proper divisors (5267183439).

7235242161 is a wasteful number, since it uses less digits than its factorization.

7235242161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its digits is 20160, while the sum is 33.

The square root of 7235242161 is about 85060.2266691078. The cubic root of 7235242161 is about 1934.1241920564.

Adding to 7235242161 its reverse (1612425327), we get a palindrome (8847667488).

The spelling of 7235242161 in words is "seven billion, two hundred thirty-five million, two hundred forty-two thousand, one hundred sixty-one".