83101491 has 64 divisors (see below), whose sum is σ = 144460800. Its totient is φ = 46656000.

The previous prime is 83101489. The next prime is 83101493. The reversal of 83101491 is 19410138.

It is an interprime number because it is at equal distance from previous prime (83101489) and next prime (83101493).

It is not a de Polignac number, because 83101491 - 2¹ = 83101489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (83101493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 550266 + ... + 550416.

It is an arithmetic number, because the mean of its divisors is an integer number (2257200).

Almost surely, 2^83101491 is an apocalyptic number.

83101491 is a deficient number, since it is larger than the sum of its proper divisors (61359309).

83101491 is a wasteful number, since it uses less digits than its factorization.

83101491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 83101491 is about 9116.0019197014. The cubic root of 83101491 is about 436.3847902742.

It can be divided in two parts, 8310 and 1491, that added together give a square (9801 = 99²).

The spelling of 83101491 in words is "eighty-three million, one hundred one thousand, four hundred ninety-one".