5202639 has 24 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 3137472.

The previous prime is 5202619. The next prime is 5202641. The reversal of 5202639 is 9362025.

5202639 is a `hidden beast` number, since 5 + 20 + 2 + 639 = 666.

It is not a de Polignac number, because 5202639 - 2⁷ = 5202511 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 2⁹ + 0 + 2¹¹ + 6⁷ + 3¹⁴ + 9⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5202619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5782 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^5202639 is an apocalyptic number.

5202639 is a deficient number, since it is larger than the sum of its proper divisors (3052881).

5202639 is a wasteful number, since it uses less digits than its factorization.

5202639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 5202639 is about 2280.9294158303. The cubic root of 5202639 is about 173.2771238681.

The spelling of 5202639 in words is "five million, two hundred two thousand, six hundred thirty-nine".