83563154 has 4 divisors (see below), whose sum is σ = 125344734. Its totient is φ = 41781576.

The previous prime is 83563153. The next prime is 83563169. The reversal of 83563154 is 45136538.

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

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 28462225 = 7423^2 + 5335^2 .

It is not an unprimeable number, because it can be changed into a prime (83563153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20890787 + ... + 20890790.

Almost surely, 2^83563154 is an apocalyptic number.

83563154 is a deficient number, since it is larger than the sum of its proper divisors (41781580).

83563154 is a wasteful number, since it uses less digits than its factorization.

83563154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41781579.

The product of its digits is 43200, while the sum is 35.

The square root of 83563154 is about 9141.2884212238. The cubic root of 83563154 is about 437.1913974993.

The spelling of 83563154 in words is "eighty-three million, five hundred sixty-three thousand, one hundred fifty-four".