545254625 has 8 divisors (see below), whose sum is σ = 680477928. Its totient is φ = 436203600.

The previous prime is 545254621. The next prime is 545254667. The reversal of 545254625 is 526452545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62837329 + 482417296 = 7927^2 + 21964^2 .

It is not a de Polignac number, because 545254625 - 2² = 545254621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545254621) 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 in 7 ways as a sum of consecutive naturals, for example, 2180894 + ... + 2181143.

It is an arithmetic number, because the mean of its divisors is an integer number (85059741).

Almost surely, 2^545254625 is an apocalyptic number.

It is an amenable number.

545254625 is a deficient number, since it is larger than the sum of its proper divisors (135223303).

545254625 is an equidigital number, since it uses as much as digits as its factorization.

545254625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362052 (or 4362042 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 545254625 is about 23350.6878913663. The cubic root of 545254625 is about 816.9581055259.

The spelling of 545254625 in words is "five hundred forty-five million, two hundred fifty-four thousand, six hundred twenty-five".