7133481 has 16 divisors (see below), whose sum is σ = 10609920. Its totient is φ = 4736880.

The previous prime is 7133479. The next prime is 7133509. The reversal of 7133481 is 1843317.

It is not a de Polignac number, because 7133481 - 2¹ = 7133479 is a prime.

It is a super-2 number, since 2×7133481² = 101773102354722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (7133411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11331 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (663120).

Almost surely, 2^7133481 is an apocalyptic number.

It is an amenable number.

7133481 is a deficient number, since it is larger than the sum of its proper divisors (3476439).

7133481 is a wasteful number, since it uses less digits than its factorization.

7133481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1047 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7133481 is about 2670.8577273977. The cubic root of 7133481 is about 192.5013751518.

Adding to 7133481 its reverse (1843317), we get a palindrome (8976798).

The spelling of 7133481 in words is "seven million, one hundred thirty-three thousand, four hundred eighty-one".