83242153 has 4 divisors (see below), whose sum is σ = 83664900. Its totient is φ = 82819408.

The previous prime is 83242139. The next prime is 83242157. The reversal of 83242153 is 35124238.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82682649 + 559504 = 9093^2 + 748^2 .

It is a cyclic number.

It is not a de Polignac number, because 83242153 - 2⁵ = 83242121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83242157) 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, 211078 + ... + 211471.

It is an arithmetic number, because the mean of its divisors is an integer number (20916225).

Almost surely, 2^83242153 is an apocalyptic number.

It is an amenable number.

83242153 is a deficient number, since it is larger than the sum of its proper divisors (422747).

83242153 is a wasteful number, since it uses less digits than its factorization.

83242153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422746.

The product of its digits is 5760, while the sum is 28.

The square root of 83242153 is about 9123.7137723627. The cubic root of 83242153 is about 436.6308675143.

The spelling of 83242153 in words is "eighty-three million, two hundred forty-two thousand, one hundred fifty-three".