5451431 has 2 divisors, whose sum is σ = 5451432. Its totient is φ = 5451430.

The previous prime is 5451371. The next prime is 5451473. The reversal of 5451431 is 1341545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5451431 - 2¹⁴ = 5435047 is a prime.

It is a super-2 number, since 2×5451431² = 59436199895522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5451397 and 5451406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451731) 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, 2725715 + 2725716.

It is an arithmetic number, because the mean of its divisors is an integer number (2725716).

Almost surely, 2^5451431 is an apocalyptic number.

5451431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451431 is an equidigital number, since it uses as much as digits as its factorization.

5451431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 5451431 is about 2334.8299723963. The cubic root of 5451431 is about 175.9962873700.

Adding to 5451431 its reverse (1341545), we get a palindrome (6792976).

It can be divided in two parts, 54514 and 31, that added together give a palindrome (54545).

The spelling of 5451431 in words is "five million, four hundred fifty-one thousand, four hundred thirty-one".