52472393 has 4 divisors (see below), whose sum is σ = 52490628. Its totient is φ = 52454160.

The previous prime is 52472389. The next prime is 52472411. The reversal of 52472393 is 39327425.

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 44782864 + 7689529 = 6692^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 52472393 - 2² = 52472389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52472363) 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, 3746 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (13122657).

Almost surely, 2^52472393 is an apocalyptic number.

It is an amenable number.

52472393 is a deficient number, since it is larger than the sum of its proper divisors (18235).

52472393 is a wasteful number, since it uses less digits than its factorization.

52472393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18234.

The product of its digits is 45360, while the sum is 35.

The square root of 52472393 is about 7243.7830585958. The cubic root of 52472393 is about 374.3779744246.

The spelling of 52472393 in words is "fifty-two million, four hundred seventy-two thousand, three hundred ninety-three".