1671013233 has 10 divisors (see below), whose sum is σ = 2496205074. Its totient is φ = 1114008768.

The previous prime is 1671013219. The next prime is 1671013237. The reversal of 1671013233 is 3323101761.

It can be written as a sum of positive squares in only one way, i.e., 1433606769 + 237406464 = 37863^2 + 15408^2 .

It is not a de Polignac number, because 1671013233 - 2²⁶ = 1603904369 is a prime.

It is a super-2 number, since 2×1671013233² = 5584570449722224578, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1671013197 and 1671013206.

It is not an unprimeable number, because it can be changed into a prime (1671013237) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10314816 + ... + 10314977.

Almost surely, 2^1671013233 is an apocalyptic number.

It is an amenable number.

1671013233 is a deficient number, since it is larger than the sum of its proper divisors (825191841).

1671013233 is an equidigital number, since it uses as much as digits as its factorization.

1671013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20629805 (or 20629796 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1671013233 is about 40878.0287318261. The cubic root of 1671013233 is about 1186.6608916505.

Adding to 1671013233 its reverse (3323101761), we get a palindrome (4994114994).

The spelling of 1671013233 in words is "one billion, six hundred seventy-one million, thirteen thousand, two hundred thirty-three".