547389901 has 4 divisors (see below), whose sum is σ = 548098812. Its totient is φ = 546680992.

The previous prime is 547389859. The next prime is 547389911. The reversal of 547389901 is 109983745.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58537801 + 488852100 = 7651^2 + 22110^2 .

It is a cyclic number.

It is not a de Polignac number, because 547389901 - 2¹⁵ = 547357133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547389911) 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, 353296 + ... + 354841.

It is an arithmetic number, because the mean of its divisors is an integer number (137024703).

Almost surely, 2^547389901 is an apocalyptic number.

It is an amenable number.

547389901 is a deficient number, since it is larger than the sum of its proper divisors (708911).

547389901 is an equidigital number, since it uses as much as digits as its factorization.

547389901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708910.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 547389901 is about 23396.3651236682. The cubic root of 547389901 is about 818.0231485171.

The spelling of 547389901 in words is "five hundred forty-seven million, three hundred eighty-nine thousand, nine hundred one".