7215631241 has 8 divisors (see below), whose sum is σ = 8880777024. Its totient is φ = 5709070800.

The previous prime is 7215631237. The next prime is 7215631279. The reversal of 7215631241 is 1421365127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7215631241 - 2² = 7215631237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7215631198 and 7215631207.

It is not an unprimeable number, because it can be changed into a prime (7215631741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39646235 + ... + 39646416.

It is an arithmetic number, because the mean of its divisors is an integer number (1110097128).

Almost surely, 2^7215631241 is an apocalyptic number.

It is an amenable number.

7215631241 is a deficient number, since it is larger than the sum of its proper divisors (1665145783).

7215631241 is a wasteful number, since it uses less digits than its factorization.

7215631241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79292671.

The product of its digits is 10080, while the sum is 32.

The square root of 7215631241 is about 84944.8717757582. The cubic root of 7215631241 is about 1932.3751478176.

Adding to 7215631241 its reverse (1421365127), we get a palindrome (8636996368).

The spelling of 7215631241 in words is "seven billion, two hundred fifteen million, six hundred thirty-one thousand, two hundred forty-one".