7531266461 has 2 divisors, whose sum is σ = 7531266462. Its totient is φ = 7531266460.

The previous prime is 7531266439. The next prime is 7531266469. The reversal of 7531266461 is 1646621357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5989212100 + 1542054361 = 77390^2 + 39269^2 .

It is an emirp because it is prime and its reverse (1646621357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7531266461 - 2³⁰ = 6457524637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7531266469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765633230 + 3765633231.

It is an arithmetic number, because the mean of its divisors is an integer number (3765633231).

Almost surely, 2^7531266461 is an apocalyptic number.

It is an amenable number.

7531266461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7531266461 is an equidigital number, since it uses as much as digits as its factorization.

7531266461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 7531266461 is about 86782.8696287464. The cubic root of 7531266461 is about 1960.1501395643.

The spelling of 7531266461 in words is "seven billion, five hundred thirty-one million, two hundred sixty-six thousand, four hundred sixty-one".