4542531 has 16 divisors (see below), whose sum is σ = 7161600. Its totient is φ = 2505888.

The previous prime is 4542529. The next prime is 4542547. The reversal of 4542531 is 1352454.

It is not a de Polignac number, because 4542531 - 2¹ = 4542529 is a prime.

It is a super-2 number, since 2×4542531² = 41269175771922, which contains 22 as substring.

4542531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4542511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (447600).

Almost surely, 2^4542531 is an apocalyptic number.

4542531 is a deficient number, since it is larger than the sum of its proper divisors (2619069).

4542531 is a wasteful number, since it uses less digits than its factorization.

4542531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498.

The product of its digits is 2400, while the sum is 24.

The square root of 4542531 is about 2131.3214210907. The cubic root of 4542531 is about 165.6148592818.

Adding to 4542531 its reverse (1352454), we get a palindrome (5894985).

The spelling of 4542531 in words is "four million, five hundred forty-two thousand, five hundred thirty-one".