83951573 has 4 divisors (see below), whose sum is σ = 84004800. Its totient is φ = 83898348.

The previous prime is 83951563. The next prime is 83951591. The reversal of 83951573 is 37515938.

It is a happy number.

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 83951573 - 2⁶ = 83951509 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 83951573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83951563) 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, 24173 + ... + 27426.

It is an arithmetic number, because the mean of its divisors is an integer number (21001200).

Almost surely, 2^83951573 is an apocalyptic number.

It is an amenable number.

83951573 is a deficient number, since it is larger than the sum of its proper divisors (53227).

83951573 is a wasteful number, since it uses less digits than its factorization.

83951573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53226.

The product of its digits is 113400, while the sum is 41.

The square root of 83951573 is about 9162.5090995862. The cubic root of 83951573 is about 437.8677363129.

The spelling of 83951573 in words is "eighty-three million, nine hundred fifty-one thousand, five hundred seventy-three".