83503901 has 4 divisors (see below), whose sum is σ = 89927292. Its totient is φ = 77080512.

The previous prime is 83503859. The next prime is 83503943. The reversal of 83503901 is 10930538.

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

It is an interprime number because it is at equal distance from previous prime (83503859) and next prime (83503943).

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 47623801 = 5990^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 83503901 - 2⁶ = 83503837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83503951) 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, 3211676 + ... + 3211701.

It is an arithmetic number, because the mean of its divisors is an integer number (22481823).

Almost surely, 2^83503901 is an apocalyptic number.

It is an amenable number.

83503901 is a deficient number, since it is larger than the sum of its proper divisors (6423391).

83503901 is a wasteful number, since it uses less digits than its factorization.

83503901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423390.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 83503901 is about 9138.0468919786. The cubic root of 83503901 is about 437.0880384392.

The spelling of 83503901 in words is "eighty-three million, five hundred three thousand, nine hundred one".