5021531 has 2 divisors, whose sum is σ = 5021532. Its totient is φ = 5021530.

The previous prime is 5021519. The next prime is 5021537. The reversal of 5021531 is 1351205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5021531 - 2¹⁰ = 5020507 is a prime.

It is a super-2 number, since 2×5021531² = 50431547167922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5021537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510765 + 2510766.

It is an arithmetic number, because the mean of its divisors is an integer number (2510766).

Almost surely, 2^5021531 is an apocalyptic number.

5021531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021531 is an equidigital number, since it uses as much as digits as its factorization.

5021531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5021531 is about 2240.8772835655. The cubic root of 5021531 is about 171.2426931367.

Adding to 5021531 its reverse (1351205), we get a palindrome (6372736).

The spelling of 5021531 in words is "five million, twenty-one thousand, five hundred thirty-one".