7630531 has 4 divisors (see below), whose sum is σ = 7727200. Its totient is φ = 7533864.

The previous prime is 7630523. The next prime is 7630559. The reversal of 7630531 is 1350367.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7630531 - 2³ = 7630523 is a prime.

It is a super-2 number, since 2×7630531² = 116450006683922, which contains 22 as substring.

It is a Duffinian number.

7630531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7630496 and 7630505.

It is not an unprimeable number, because it can be changed into a prime (7633531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48216 + ... + 48373.

It is an arithmetic number, because the mean of its divisors is an integer number (1931800).

Almost surely, 2^7630531 is an apocalyptic number.

7630531 is a deficient number, since it is larger than the sum of its proper divisors (96669).

7630531 is an equidigital number, since it uses as much as digits as its factorization.

7630531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96668.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 7630531 is about 2762.3415791679. The cubic root of 7630531 is about 196.8724383978.

Adding to 7630531 its reverse (1350367), we get a palindrome (8980898).

The spelling of 7630531 in words is "seven million, six hundred thirty thousand, five hundred thirty-one".