4540531 has 2 divisors, whose sum is σ = 4540532. Its totient is φ = 4540530.

The previous prime is 4540517. The next prime is 4540541. The reversal of 4540531 is 1350454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4540531 - 2¹⁷ = 4409459 is a prime.

It is a super-2 number, since 2×4540531² = 41232843523922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4540541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270265 + 2270266.

It is an arithmetic number, because the mean of its divisors is an integer number (2270266).

Almost surely, 2^4540531 is an apocalyptic number.

4540531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540531 is an equidigital number, since it uses as much as digits as its factorization.

4540531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4540531 is about 2130.8521769471. The cubic root of 4540531 is about 165.5905499014.

Adding to 4540531 its reverse (1350454), we get a palindrome (5890985).

The spelling of 4540531 in words is "four million, five hundred forty thousand, five hundred thirty-one".