83263945 has 4 divisors (see below), whose sum is σ = 99916740. Its totient is φ = 66611152.

The previous prime is 83263897. The next prime is 83263969. The reversal of 83263945 is 54936238.

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 58553104 + 24710841 = 7652^2 + 4971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83263945 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83263898 and 83263907.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8326390 + ... + 8326399.

It is an arithmetic number, because the mean of its divisors is an integer number (24979185).

Almost surely, 2^83263945 is an apocalyptic number.

It is an amenable number.

83263945 is a deficient number, since it is larger than the sum of its proper divisors (16652795).

83263945 is a wasteful number, since it uses less digits than its factorization.

83263945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652794.

The product of its digits is 155520, while the sum is 40.

The square root of 83263945 is about 9124.9079447411. The cubic root of 83263945 is about 436.6689661191.

The spelling of 83263945 in words is "eighty-three million, two hundred sixty-three thousand, nine hundred forty-five".