545026947 has 4 divisors (see below), whose sum is σ = 726702600. Its totient is φ = 363351296.

The previous prime is 545026939. The next prime is 545026961. The reversal of 545026947 is 749620545.

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

It is a cyclic number.

It is not a de Polignac number, because 545026947 - 2³ = 545026939 is a prime.

It is a super-2 number, since 2×545026947² = 594108745912281618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545026899 and 545026908.

It is not an unprimeable number, because it can be changed into a prime (545026927) 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, 90837822 + ... + 90837827.

It is an arithmetic number, because the mean of its divisors is an integer number (181675650).

Almost surely, 2^545026947 is an apocalyptic number.

545026947 is a deficient number, since it is larger than the sum of its proper divisors (181675653).

545026947 is a wasteful number, since it uses less digits than its factorization.

545026947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181675652.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 545026947 is about 23345.8121940531. The cubic root of 545026947 is about 816.8443792811.

The spelling of 545026947 in words is "five hundred forty-five million, twenty-six thousand, nine hundred forty-seven".