52151293 has 4 divisors (see below), whose sum is σ = 52186428. Its totient is φ = 52116160.

The previous prime is 52151287. The next prime is 52151321. The reversal of 52151293 is 39215125.

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 1996569 + 50154724 = 1413^2 + 7082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52151293 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 (52151233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15238 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (13046607).

Almost surely, 2^52151293 is an apocalyptic number.

It is an amenable number.

52151293 is a deficient number, since it is larger than the sum of its proper divisors (35135).

52151293 is a wasteful number, since it uses less digits than its factorization.

52151293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35134.

The product of its digits is 2700, while the sum is 28.

The square root of 52151293 is about 7221.5852137879. The cubic root of 52151293 is about 373.6127541625.

The spelling of 52151293 in words is "fifty-two million, one hundred fifty-one thousand, two hundred ninety-three".