545013431 has 2 divisors, whose sum is σ = 545013432. Its totient is φ = 545013430.

The previous prime is 545013409. The next prime is 545013481. The reversal of 545013431 is 134310545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545013431 is a prime.

It is a super-2 number, since 2×545013431² = 594079279940783522, 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 545013431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545013481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272506715 + 272506716.

It is an arithmetic number, because the mean of its divisors is an integer number (272506716).

Almost surely, 2^545013431 is an apocalyptic number.

545013431 is a deficient number, since it is larger than the sum of its proper divisors (1).

545013431 is an equidigital number, since it uses as much as digits as its factorization.

545013431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 545013431 is about 23345.5227185000. The cubic root of 545013431 is about 816.8376269790.

Adding to 545013431 its reverse (134310545), we get a palindrome (679323976).

It can be divided in two parts, 5450 and 13431, that multiplied together give a triangular number (73198950 = T₁₂₀₉₉).

The spelling of 545013431 in words is "five hundred forty-five million, thirteen thousand, four hundred thirty-one".