545264987 has 4 divisors (see below), whose sum is σ = 577339416. Its totient is φ = 513190560.

The previous prime is 545264981. The next prime is 545265011. The reversal of 545264987 is 789462545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545264987 - 2⁴ = 545264971 is a prime.

It is a super-2 number, since 2×545264987² = 594627812096220338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545264981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16037189 + ... + 16037222.

It is an arithmetic number, because the mean of its divisors is an integer number (144334854).

Almost surely, 2^545264987 is an apocalyptic number.

545264987 is a deficient number, since it is larger than the sum of its proper divisors (32074429).

545264987 is a wasteful number, since it uses less digits than its factorization.

545264987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32074428.

The product of its digits is 2419200, while the sum is 50.

The square root of 545264987 is about 23350.9097681439. The cubic root of 545264987 is about 816.9632806410.

The spelling of 545264987 in words is "five hundred forty-five million, two hundred sixty-four thousand, nine hundred eighty-seven".