83148251 has 4 divisors (see below), whose sum is σ = 83169912. Its totient is φ = 83126592.

The previous prime is 83148229. The next prime is 83148253. The reversal of 83148251 is 15284138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15284138 = 2 ⋅7642069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83148251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83148253) 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, 3350 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (20792478).

Almost surely, 2^83148251 is an apocalyptic number.

83148251 is a deficient number, since it is larger than the sum of its proper divisors (21661).

83148251 is a wasteful number, since it uses less digits than its factorization.

83148251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660.

The product of its digits is 7680, while the sum is 32.

The square root of 83148251 is about 9118.5662798490. The cubic root of 83148251 is about 436.4666240515.

The spelling of 83148251 in words is "eighty-three million, one hundred forty-eight thousand, two hundred fifty-one".