83325031 has 4 divisors (see below), whose sum is σ = 85097952. Its totient is φ = 81552112.

The previous prime is 83325029. The next prime is 83325049. The reversal of 83325031 is 13052338.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83325031 - 2¹ = 83325029 is a prime.

It is a super-2 number, since 2×83325031² = 13886121582301922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83324987 and 83325005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83325001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886390 + ... + 886483.

It is an arithmetic number, because the mean of its divisors is an integer number (21274488).

Almost surely, 2^83325031 is an apocalyptic number.

83325031 is a deficient number, since it is larger than the sum of its proper divisors (1772921).

83325031 is a wasteful number, since it uses less digits than its factorization.

83325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772920.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 83325031 is about 9128.2545429014. The cubic root of 83325031 is about 436.7757263740.

Adding to 83325031 its reverse (13052338), we get a palindrome (96377369).

The spelling of 83325031 in words is "eighty-three million, three hundred twenty-five thousand, thirty-one".