8507461 has 2 divisors, whose sum is σ = 8507462. Its totient is φ = 8507460.

The previous prime is 8507419. The next prime is 8507467. The reversal of 8507461 is 1647058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 2307361 = 2490^2 + 1519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8507461 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8507467) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253730 + 4253731.

It is an arithmetic number, because the mean of its divisors is an integer number (4253731).

Almost surely, 2^8507461 is an apocalyptic number.

It is an amenable number.

8507461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8507461 is an equidigital number, since it uses as much as digits as its factorization.

8507461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 8507461 is about 2916.7552177034. The cubic root of 8507461 is about 204.1424498465.

The spelling of 8507461 in words is "eight million, five hundred seven thousand, four hundred sixty-one".