52151471 has 4 divisors (see below), whose sum is σ = 52443000. Its totient is φ = 51859944.

The previous prime is 52151459. The next prime is 52151497. The reversal of 52151471 is 17415125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52151471 is a prime.

It is a super-3 number, since 3×52151471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52151471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52151441) 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, 145496 + ... + 145853.

It is an arithmetic number, because the mean of its divisors is an integer number (13110750).

Almost surely, 2^52151471 is an apocalyptic number.

52151471 is a deficient number, since it is larger than the sum of its proper divisors (291529).

52151471 is a wasteful number, since it uses less digits than its factorization.

52151471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291528.

The product of its digits is 1400, while the sum is 26.

The square root of 52151471 is about 7221.5975379413. The cubic root of 52151471 is about 373.6131792270.

Adding to 52151471 its reverse (17415125), we get a palindrome (69566596).

The spelling of 52151471 in words is "fifty-two million, one hundred fifty-one thousand, four hundred seventy-one".