83251049 has 6 divisors (see below), whose sum is σ = 96843114. Its totient is φ = 71358000.

The previous prime is 83251043. The next prime is 83251061. The reversal of 83251049 is 94015238.

It can be written as a sum of positive squares in only one way, i.e., 82937449 + 313600 = 9107^2 + 560^2 .

It is not a de Polignac number, because 83251049 - 2²⁰ = 82202473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83251043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 849452 + ... + 849549.

It is an arithmetic number, because the mean of its divisors is an integer number (16140519).

Almost surely, 2^83251049 is an apocalyptic number.

It is an amenable number.

83251049 is a deficient number, since it is larger than the sum of its proper divisors (13592065).

83251049 is a wasteful number, since it uses less digits than its factorization.

83251049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699015 (or 1699008 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 83251049 is about 9124.2012801121. The cubic root of 83251049 is about 436.6464210518.

The spelling of 83251049 in words is "eighty-three million, two hundred fifty-one thousand, forty-nine".