8452512461 has 2 divisors, whose sum is σ = 8452512462. Its totient is φ = 8452512460.

The previous prime is 8452512433. The next prime is 8452512499. The reversal of 8452512461 is 1642152548.

It is a happy number.

It is an a-pointer prime, because the next prime (8452512499) can be obtained adding 8452512461 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352132100 + 100380361 = 91390^2 + 10019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8452512461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8452512961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226256230 + 4226256231.

It is an arithmetic number, because the mean of its divisors is an integer number (4226256231).

Almost surely, 2^8452512461 is an apocalyptic number.

It is an amenable number.

8452512461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8452512461 is an equidigital number, since it uses as much as digits as its factorization.

8452512461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 38.

The square root of 8452512461 is about 91937.5465248013. The cubic root of 8452512461 is about 2037.0199070893.

The spelling of 8452512461 in words is "eight billion, four hundred fifty-two million, five hundred twelve thousand, four hundred sixty-one".