83900253 has 16 divisors (see below), whose sum is σ = 118895040. Its totient is φ = 52444416.

The previous prime is 83900249. The next prime is 83900263. The reversal of 83900253 is 35200938.

It is a happy number.

It is not a de Polignac number, because 83900253 - 2² = 83900249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83900253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83900263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11158 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (7430940).

Almost surely, 2^83900253 is an apocalyptic number.

It is an amenable number.

83900253 is a deficient number, since it is larger than the sum of its proper divisors (34994787).

83900253 is a wasteful number, since it uses less digits than its factorization.

83900253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 83900253 is about 9159.7081285377. The cubic root of 83900253 is about 437.7784945753.

The spelling of 83900253 in words is "eighty-three million, nine hundred thousand, two hundred fifty-three".