7230531 has 32 divisors (see below), whose sum is σ = 12169728. Its totient is φ = 3709440.

The previous prime is 7230521. The next prime is 7230563. The reversal of 7230531 is 1350327.

It is a happy number.

It is not a de Polignac number, because 7230531 - 2¹¹ = 7228483 is a prime.

It is a super-2 number, since 2×7230531² = 104561157083922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 7230498 and 7230507.

It is not an unprimeable number, because it can be changed into a prime (7230511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25965 + ... + 26241.

It is an arithmetic number, because the mean of its divisors is an integer number (380304).

Almost surely, 2^7230531 is an apocalyptic number.

7230531 is a deficient number, since it is larger than the sum of its proper divisors (4939197).

7230531 is a wasteful number, since it uses less digits than its factorization.

7230531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 7230531 is about 2688.9646706493. The cubic root of 7230531 is about 193.3704305216.

Adding to 7230531 its reverse (1350327), we get a palindrome (8580858).

It can be divided in two parts, 72 and 30531, that added together give a palindrome (30603).

The spelling of 7230531 in words is "seven million, two hundred thirty thousand, five hundred thirty-one".