52464281 has 4 divisors (see below), whose sum is σ = 52558032. Its totient is φ = 52370532.

The previous prime is 52464259. The next prime is 52464289. The reversal of 52464281 is 18246425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52464281 is a prime.

It is a super-2 number, since 2×52464281² = 5505001561693922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52464289) 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, 46031 + ... + 47156.

It is an arithmetic number, because the mean of its divisors is an integer number (13139508).

Almost surely, 2^52464281 is an apocalyptic number.

It is an amenable number.

52464281 is a deficient number, since it is larger than the sum of its proper divisors (93751).

52464281 is an equidigital number, since it uses as much as digits as its factorization.

52464281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93750.

The product of its digits is 15360, while the sum is 32.

The square root of 52464281 is about 7243.2231085339. The cubic root of 52464281 is about 374.3586810370.

The spelling of 52464281 in words is "fifty-two million, four hundred sixty-four thousand, two hundred eighty-one".