7131401 has 4 divisors (see below), whose sum is σ = 7174272. Its totient is φ = 7088532.

The previous prime is 7131379. The next prime is 7131407. The reversal of 7131401 is 1041317.

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.

It is a cyclic number.

It is not a de Polignac number, because 7131401 - 2⁶ = 7131337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7131401.

It is not an unprimeable number, because it can be changed into a prime (7131407) 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, 21185 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (1793568).

Almost surely, 2^7131401 is an apocalyptic number.

It is an amenable number.

7131401 is a deficient number, since it is larger than the sum of its proper divisors (42871).

7131401 is a wasteful number, since it uses less digits than its factorization.

7131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42870.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 7131401 is about 2670.4683109897. The cubic root of 7131401 is about 192.4826633063.

Subtracting from 7131401 its product of nonzero digits (84), we obtain a palindrome (7131317).

Adding to 7131401 its reverse (1041317), we get a palindrome (8172718).

The spelling of 7131401 in words is "seven million, one hundred thirty-one thousand, four hundred one".