52725219 has 8 divisors (see below), whose sum is σ = 72724560. Its totient is φ = 33938016.

The previous prime is 52725191. The next prime is 52725241. The reversal of 52725219 is 91252725.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-52725219 is a prime.

It is a super-2 number, since 2×52725219² = 5559897437195922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52725219.

It is not an unprimeable number, because it can be changed into a prime (52725719) 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, 302932 + ... + 303105.

It is an arithmetic number, because the mean of its divisors is an integer number (9090570).

Almost surely, 2^52725219 is an apocalyptic number.

52725219 is a deficient number, since it is larger than the sum of its proper divisors (19999341).

52725219 is a wasteful number, since it uses less digits than its factorization.

52725219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606069.

The product of its digits is 12600, while the sum is 33.

The square root of 52725219 is about 7261.2133283632. The cubic root of 52725219 is about 374.9782956327.

The spelling of 52725219 in words is "fifty-two million, seven hundred twenty-five thousand, two hundred nineteen".