7631522 has 4 divisors (see below), whose sum is σ = 11447286. Its totient is φ = 3815760.

The previous prime is 7631489. The next prime is 7631537. The reversal of 7631522 is 2251367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251367 = 19 ⋅118493.

It can be written as a sum of positive squares in only one way, i.e., 7284601 + 346921 = 2699^2 + 589^2 .

It is a super-3 number, since 3×7631522³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7631491 and 7631500.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1907879 + ... + 1907882.

Almost surely, 2^7631522 is an apocalyptic number.

7631522 is a deficient number, since it is larger than the sum of its proper divisors (3815764).

7631522 is a wasteful number, since it uses less digits than its factorization.

7631522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815763.

The product of its digits is 2520, while the sum is 26.

The square root of 7631522 is about 2762.5209501468. The cubic root of 7631522 is about 196.8809608340.

Adding to 7631522 its reverse (2251367), we get a palindrome (9882889).

The spelling of 7631522 in words is "seven million, six hundred thirty-one thousand, five hundred twenty-two".