545012431 has 2 divisors, whose sum is σ = 545012432. Its totient is φ = 545012430.

The previous prime is 545012411. The next prime is 545012471. The reversal of 545012431 is 134210545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545012431 - 2⁹ = 545011919 is a prime.

It is a super-2 number, since 2×545012431² = 594077099889059522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545012396 and 545012405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545012411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272506215 + 272506216.

It is an arithmetic number, because the mean of its divisors is an integer number (272506216).

Almost surely, 2^545012431 is an apocalyptic number.

545012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

545012431 is an equidigital number, since it uses as much as digits as its factorization.

545012431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 545012431 is about 23345.5013011072. The cubic root of 545012431 is about 816.8371273961.

Adding to 545012431 its reverse (134210545), we get a palindrome (679222976).

The spelling of 545012431 in words is "five hundred forty-five million, twelve thousand, four hundred thirty-one".