7205632961 has 2 divisors, whose sum is σ = 7205632962. Its totient is φ = 7205632960.

The previous prime is 7205632943. The next prime is 7205633021. The reversal of 7205632961 is 1692365027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6127758400 + 1077874561 = 78280^2 + 32831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7205632961 is a prime.

It is a super-2 number, since 2×7205632961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7205632061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3602816480 + 3602816481.

It is an arithmetic number, because the mean of its divisors is an integer number (3602816481).

Almost surely, 2^7205632961 is an apocalyptic number.

It is an amenable number.

7205632961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7205632961 is an equidigital number, since it uses as much as digits as its factorization.

7205632961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 7205632961 is about 84885.9997938412. Note that the first 3 decimals coincide. The cubic root of 7205632961 is about 1931.4822086898.

Adding to 7205632961 its reverse (1692365027), we get a palindrome (8897997988).

The spelling of 7205632961 in words is "seven billion, two hundred five million, six hundred thirty-two thousand, nine hundred sixty-one".