83481519 has 32 divisors (see below), whose sum is σ = 125971200. Its totient is φ = 48738560.

The previous prime is 83481511. The next prime is 83481521. The reversal of 83481519 is 91518438.

It is a cyclic number.

It is not a de Polignac number, because 83481519 - 2³ = 83481511 is a prime.

It is a super-2 number, since 2×83481519² = 13938328029094722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83481511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102787 + ... + 103595.

It is an arithmetic number, because the mean of its divisors is an integer number (3936600).

Almost surely, 2^83481519 is an apocalyptic number.

83481519 is a deficient number, since it is larger than the sum of its proper divisors (42489681).

83481519 is a wasteful number, since it uses less digits than its factorization.

83481519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its digits is 34560, while the sum is 39.

The square root of 83481519 is about 9136.8221499600. The cubic root of 83481519 is about 437.0489832631.

The spelling of 83481519 in words is "eighty-three million, four hundred eighty-one thousand, five hundred nineteen".