7488431 has 2 divisors, whose sum is σ = 7488432. Its totient is φ = 7488430.

The previous prime is 7488427. The next prime is 7488433. The reversal of 7488431 is 1348847.

It is a happy number.

7488431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1348847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7488431 - 2² = 7488427 is a prime.

It is a super-2 number, since 2×7488431² = 112153197683522, which contains 22 as substring.

Together with 7488433, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7488391 and 7488400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7488433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744215 + 3744216.

It is an arithmetic number, because the mean of its divisors is an integer number (3744216).

Almost surely, 2^7488431 is an apocalyptic number.

7488431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7488431 is an equidigital number, since it uses as much as digits as its factorization.

7488431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 7488431 is about 2736.4997716061. The cubic root of 7488431 is about 195.6426833664.

The spelling of 7488431 in words is "seven million, four hundred eighty-eight thousand, four hundred thirty-one".