545254387 has 2 divisors, whose sum is σ = 545254388. Its totient is φ = 545254386.

The previous prime is 545254373. The next prime is 545254393. The reversal of 545254387 is 783452545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545254387 - 2¹⁵ = 545221619 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (545254487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272627193 + 272627194.

It is an arithmetic number, because the mean of its divisors is an integer number (272627194).

Almost surely, 2^545254387 is an apocalyptic number.

545254387 is a deficient number, since it is larger than the sum of its proper divisors (1).

545254387 is an equidigital number, since it uses as much as digits as its factorization.

545254387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 43.

The square root of 545254387 is about 23350.6827951561. The cubic root of 545254387 is about 816.9579866603.

The spelling of 545254387 in words is "five hundred forty-five million, two hundred fifty-four thousand, three hundred eighty-seven".