52581351 has 4 divisors (see below), whose sum is σ = 70108472. Its totient is φ = 35054232.

The previous prime is 52581349. The next prime is 52581359. The reversal of 52581351 is 15318525.

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

It is not a de Polignac number, because 52581351 - 2¹ = 52581349 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 (52581359) 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, 8763556 + ... + 8763561.

It is an arithmetic number, because the mean of its divisors is an integer number (17527118).

Almost surely, 2^52581351 is an apocalyptic number.

52581351 is a deficient number, since it is larger than the sum of its proper divisors (17527121).

52581351 is a wasteful number, since it uses less digits than its factorization.

52581351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527120.

The product of its digits is 6000, while the sum is 30.

The square root of 52581351 is about 7251.2999524223. The cubic root of 52581351 is about 374.6369250287.

Adding to 52581351 its reverse (15318525), we get a palindrome (67899876).

The spelling of 52581351 in words is "fifty-two million, five hundred eighty-one thousand, three hundred fifty-one".