5321531403 has 24 divisors (see below), whose sum is σ = 8241854400. Its totient is φ = 3296726784.

The previous prime is 5321531399. The next prime is 5321531429. The reversal of 5321531403 is 3041351235.

It is not a de Polignac number, because 5321531403 - 2² = 5321531399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5321531003) 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, 208048 + ... + 232221.

It is an arithmetic number, because the mean of its divisors is an integer number (343410600).

Almost surely, 2^5321531403 is an apocalyptic number.

5321531403 is a deficient number, since it is larger than the sum of its proper divisors (2920322997).

5321531403 is a wasteful number, since it uses less digits than its factorization.

5321531403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440371 (or 440368 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5321531403 is about 72948.8272900943. The cubic root of 5321531403 is about 1745.8712357264.

Adding to 5321531403 its reverse (3041351235), we get a palindrome (8362882638).

The spelling of 5321531403 in words is "five billion, three hundred twenty-one million, five hundred thirty-one thousand, four hundred three".