461545387 has 2 divisors, whose sum is σ = 461545388. Its totient is φ = 461545386.

The previous prime is 461545339. The next prime is 461545417. The reversal of 461545387 is 783545164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461545387 - 2¹¹ = 461543339 is a prime.

It is a super-3 number, since 3×461545387³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (461545307) 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 as a sum of consecutive naturals, namely, 230772693 + 230772694.

It is an arithmetic number, because the mean of its divisors is an integer number (230772694).

Almost surely, 2^461545387 is an apocalyptic number.

461545387 is a deficient number, since it is larger than the sum of its proper divisors (1).

461545387 is an equidigital number, since it uses as much as digits as its factorization.

461545387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 461545387 is about 21483.6074019239. The cubic root of 461545387 is about 772.8077551055.

The spelling of 461545387 in words is "four hundred sixty-one million, five hundred forty-five thousand, three hundred eighty-seven".