5542531 has 2 divisors, whose sum is σ = 5542532. Its totient is φ = 5542530.

The previous prime is 5542529. The next prime is 5542549. The reversal of 5542531 is 1352455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5542531 - 2¹ = 5542529 is a prime.

It is a super-2 number, since 2×5542531² = 61439299771922, which contains 22 as substring.

Together with 5542529, it forms a pair of twin primes.

It is an Ulam number.

5542531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5542496 and 5542505.

It is not a weakly prime, because it can be changed into another prime (5540531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771265 + 2771266.

It is an arithmetic number, because the mean of its divisors is an integer number (2771266).

Almost surely, 2^5542531 is an apocalyptic number.

5542531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5542531 is an equidigital number, since it uses as much as digits as its factorization.

5542531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 25.

The square root of 5542531 is about 2354.2580572231. The cubic root of 5542531 is about 176.9712466726.

Adding to 5542531 its reverse (1352455), we get a palindrome (6894986).

The spelling of 5542531 in words is "five million, five hundred forty-two thousand, five hundred thirty-one".