83501401 has 4 divisors (see below), whose sum is σ = 83525904. Its totient is φ = 83476900.

The previous prime is 83501393. The next prime is 83501423. The reversal of 83501401 is 10410538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10410538 = 2 ⋅5205269.

It is a cyclic number.

It is not a de Polignac number, because 83501401 - 2³ = 83501393 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83501441) 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 3 ways as a sum of consecutive naturals, for example, 6115 + ... + 14296.

It is an arithmetic number, because the mean of its divisors is an integer number (20881476).

Almost surely, 2^83501401 is an apocalyptic number.

It is an amenable number.

83501401 is a deficient number, since it is larger than the sum of its proper divisors (24503).

83501401 is a wasteful number, since it uses less digits than its factorization.

83501401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24502.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 83501401 is about 9137.9101002363. The cubic root of 83501401 is about 437.0836764433.

Adding to 83501401 its reverse (10410538), we get a palindrome (93911939).

The spelling of 83501401 in words is "eighty-three million, five hundred one thousand, four hundred one".