83413530 has 32 divisors (see below), whose sum is σ = 222436800. Its totient is φ = 22243536.

The previous prime is 83413513. The next prime is 83413537. The reversal of 83413530 is 3531438.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83413494 and 83413503.

It is not an unprimeable number, because it can be changed into a prime (83413537) 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 15 ways as a sum of consecutive naturals, for example, 154200 + ... + 154739.

It is an arithmetic number, because the mean of its divisors is an integer number (6951150).

Almost surely, 2^83413530 is an apocalyptic number.

83413530 is an abundant number, since it is smaller than the sum of its proper divisors (139023270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83413530 is a wasteful number, since it uses less digits than its factorization.

83413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308955 (or 308949 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 83413530 is about 9133.1007877938. The cubic root of 83413530 is about 436.9303039273.

Adding to 83413530 its reverse (3531438), we get a palindrome (86944968).

The spelling of 83413530 in words is "eighty-three million, four hundred thirteen thousand, five hundred thirty".