5402531 has 4 divisors (see below), whose sum is σ = 5407272. Its totient is φ = 5397792.

The previous prime is 5402521. The next prime is 5402533. The reversal of 5402531 is 1352045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5402531 - 2¹⁰ = 5401507 is a prime.

It is a super-2 number, since 2×5402531² = 58374682411922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5402533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (1351818).

Almost surely, 2^5402531 is an apocalyptic number.

5402531 is a deficient number, since it is larger than the sum of its proper divisors (4741).

5402531 is a wasteful number, since it uses less digits than its factorization.

5402531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5402531 is about 2324.3345284188. The cubic root of 5402531 is about 175.4684699704.

Adding to 5402531 its reverse (1352045), we get a palindrome (6754576).

The spelling of 5402531 in words is "five million, four hundred two thousand, five hundred thirty-one".