7130381 has 8 divisors (see below), whose sum is σ = 7398144. Its totient is φ = 6866640.

The previous prime is 7130363. The next prime is 7130393. The reversal of 7130381 is 1830317.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7130381 - 2²² = 2936077 is a prime.

It is a super-2 number, since 2×7130381² = 101684666410322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (924768).

Almost surely, 2^7130381 is an apocalyptic number.

It is an amenable number.

7130381 is a deficient number, since it is larger than the sum of its proper divisors (267763).

7130381 is a wasteful number, since it uses less digits than its factorization.

7130381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7130381 is about 2670.2773264214. The cubic root of 7130381 is about 192.4734859755.

Adding to 7130381 its reverse (1830317), we get a palindrome (8960698).

The spelling of 7130381 in words is "seven million, one hundred thirty thousand, three hundred eighty-one".