52405361 has 4 divisors (see below), whose sum is σ = 53068800. Its totient is φ = 51741924.

The previous prime is 52405337. The next prime is 52405387. The reversal of 52405361 is 16350425.

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 52405361 - 2²² = 48211057 is a prime.

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 52405361.

It is not an unprimeable number, because it can be changed into a prime (52405861) 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, 331601 + ... + 331758.

It is an arithmetic number, because the mean of its divisors is an integer number (13267200).

Almost surely, 2^52405361 is an apocalyptic number.

It is an amenable number.

52405361 is a deficient number, since it is larger than the sum of its proper divisors (663439).

52405361 is an equidigital number, since it uses as much as digits as its factorization.

52405361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663438.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52405361 is about 7239.1547158491. The cubic root of 52405361 is about 374.2184873958.

Adding to 52405361 its reverse (16350425), we get a palindrome (68755786).

It can be divided in two parts, 5240 and 5361, that added together give a palindrome (10601).

The spelling of 52405361 in words is "fifty-two million, four hundred five thousand, three hundred sixty-one".