545481463 has 2 divisors, whose sum is σ = 545481464. Its totient is φ = 545481462.

The previous prime is 545481457. The next prime is 545481479. The reversal of 545481463 is 364184545.

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-545481463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545481493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272740731 + 272740732.

It is an arithmetic number, because the mean of its divisors is an integer number (272740732).

Almost surely, 2^545481463 is an apocalyptic number.

545481463 is a deficient number, since it is larger than the sum of its proper divisors (1).

545481463 is an equidigital number, since it uses as much as digits as its factorization.

545481463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 40.

The square root of 545481463 is about 23355.5445879560. The cubic root of 545481463 is about 817.0713807075.

The spelling of 545481463 in words is "five hundred forty-five million, four hundred eighty-one thousand, four hundred sixty-three".