83261153 has 4 divisors (see below), whose sum is σ = 83321088. Its totient is φ = 83201220.

The previous prime is 83261131. The next prime is 83261159. The reversal of 83261153 is 35116238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83261153 - 2⁶ = 83261089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83261159) 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, 27833 + ... + 30678.

It is an arithmetic number, because the mean of its divisors is an integer number (20830272).

Almost surely, 2^83261153 is an apocalyptic number.

It is an amenable number.

83261153 is a deficient number, since it is larger than the sum of its proper divisors (59935).

83261153 is a wasteful number, since it uses less digits than its factorization.

83261153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59934.

The product of its digits is 4320, while the sum is 29.

The square root of 83261153 is about 9124.7549556139. The cubic root of 83261153 is about 436.6640852815.

The spelling of 83261153 in words is "eighty-three million, two hundred sixty-one thousand, one hundred fifty-three".