52502403 has 8 divisors (see below), whose sum is σ = 70962448. Its totient is φ = 34521984.

The previous prime is 52502393. The next prime is 52502413. The reversal of 52502403 is 30420525.

It is an interprime number because it is at equal distance from previous prime (52502393) and next prime (52502413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52502403 - 2¹² = 52498307 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 52502403.

It is not an unprimeable number, because it can be changed into a prime (52502413) 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, 119650 + ... + 120087.

It is an arithmetic number, because the mean of its divisors is an integer number (8870306).

Almost surely, 2^52502403 is an apocalyptic number.

52502403 is a deficient number, since it is larger than the sum of its proper divisors (18460045).

52502403 is a wasteful number, since it uses less digits than its factorization.

52502403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239813.

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

The square root of 52502403 is about 7245.8541939512. The cubic root of 52502403 is about 374.4493322136.

Adding to 52502403 its reverse (30420525), we get a palindrome (82922928).

The spelling of 52502403 in words is "fifty-two million, five hundred two thousand, four hundred three".