52305397 has 4 divisors (see below), whose sum is σ = 52329600. Its totient is φ = 52281196.

The previous prime is 52305391. The next prime is 52305419. The reversal of 52305397 is 79350325.

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 not a de Polignac number, because 52305397 - 2¹⁹ = 51781109 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 (52305391) 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, 8503 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (13082400).

Almost surely, 2^52305397 is an apocalyptic number.

It is an amenable number.

52305397 is a deficient number, since it is larger than the sum of its proper divisors (24203).

52305397 is a wasteful number, since it uses less digits than its factorization.

52305397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24202.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 52305397 is about 7232.2470228830. The cubic root of 52305397 is about 373.9803935121.

The spelling of 52305397 in words is "fifty-two million, three hundred five thousand, three hundred ninety-seven".