83253172 has 6 divisors (see below), whose sum is σ = 145693058. Its totient is φ = 41626584.

The previous prime is 83253161. The next prime is 83253173. The reversal of 83253172 is 27135238.

It can be written as a sum of positive squares in only one way, i.e., 60155536 + 23097636 = 7756^2 + 4806^2 .

It is a super-3 number, since 3×83253172³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83253173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10406643 + ... + 10406650.

Almost surely, 2^83253172 is an apocalyptic number.

It is an amenable number.

83253172 is a deficient number, since it is larger than the sum of its proper divisors (62439886).

83253172 is a wasteful number, since it uses less digits than its factorization.

83253172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813297 (or 20813295 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 83253172 is about 9124.3176183208. The cubic root of 83253172 is about 436.6501326866.

The spelling of 83253172 in words is "eighty-three million, two hundred fifty-three thousand, one hundred seventy-two".