52405302 has 16 divisors (see below), whose sum is σ = 105084720. Its totient is φ = 17422752.

The previous prime is 52405289. The next prime is 52405307. The reversal of 52405302 is 20350425.

It is a super-3 number, since 3×52405302³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8893 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (6567795).

Almost surely, 2^52405302 is an apocalyptic number.

52405302 is an abundant number, since it is smaller than the sum of its proper divisors (52679418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52405302 is a wasteful number, since it uses less digits than its factorization.

52405302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22847.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52405302 is about 7239.1506407865. The cubic root of 52405302 is about 374.2183469592.

Adding to 52405302 its reverse (20350425), we get a palindrome (72755727).

The spelling of 52405302 in words is "fifty-two million, four hundred five thousand, three hundred two".