545401567 has 2 divisors, whose sum is σ = 545401568. Its totient is φ = 545401566.

The previous prime is 545401547. The next prime is 545401607. The reversal of 545401567 is 765104545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545401567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545401547) 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, 272700783 + 272700784.

It is an arithmetic number, because the mean of its divisors is an integer number (272700784).

Almost surely, 2^545401567 is an apocalyptic number.

545401567 is a deficient number, since it is larger than the sum of its proper divisors (1).

545401567 is an equidigital number, since it uses as much as digits as its factorization.

545401567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 545401567 is about 23353.8340963534. The cubic root of 545401567 is about 817.0314869458.

The spelling of 545401567 in words is "five hundred forty-five million, four hundred one thousand, five hundred sixty-seven".