547252121 has 8 divisors (see below), whose sum is σ = 589533504. Its totient is φ = 504997200.

The previous prime is 547252109. The next prime is 547252157. The reversal of 547252121 is 121252745.

It is a happy number.

547252121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547252121 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547252621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65630 + ... + 73496.

It is an arithmetic number, because the mean of its divisors is an integer number (73691688).

Almost surely, 2^547252121 is an apocalyptic number.

It is an amenable number.

547252121 is a deficient number, since it is larger than the sum of its proper divisors (42281383).

547252121 is a wasteful number, since it uses less digits than its factorization.

547252121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231.

The product of its digits is 5600, while the sum is 29.

The square root of 547252121 is about 23393.4204638826. The cubic root of 547252121 is about 817.9545096384.

The spelling of 547252121 in words is "five hundred forty-seven million, two hundred fifty-two thousand, one hundred twenty-one".