5481431 has 2 divisors, whose sum is σ = 5481432. Its totient is φ = 5481430.

The previous prime is 5481409. The next prime is 5481461. The reversal of 5481431 is 1341845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5481431 - 2¹⁸ = 5219287 is a prime.

It is a super-2 number, since 2×5481431² = 60092171615522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5481431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5481401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740715 + 2740716.

It is an arithmetic number, because the mean of its divisors is an integer number (2740716).

Almost surely, 2^5481431 is an apocalyptic number.

5481431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481431 is an equidigital number, since it uses as much as digits as its factorization.

5481431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 5481431 is about 2341.2456086451. The cubic root of 5481431 is about 176.3185411537.

It can be divided in two parts, 54814 and 31, that added together give a palindrome (54845).

The spelling of 5481431 in words is "five million, four hundred eighty-one thousand, four hundred thirty-one".