65487473 has 2 divisors, whose sum is σ = 65487474. Its totient is φ = 65487472.

The previous prime is 65487467. The next prime is 65487479. The reversal of 65487473 is 37478456.

It is a balanced prime because it is at equal distance from previous prime (65487467) and next prime (65487479).

It can be written as a sum of positive squares in only one way, i.e., 39150049 + 26337424 = 6257^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 65487473 - 2⁸ = 65487217 is a prime.

It is not a weakly prime, because it can be changed into another prime (65487479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32743736 + 32743737.

It is an arithmetic number, because the mean of its divisors is an integer number (32743737).

Almost surely, 2^65487473 is an apocalyptic number.

It is an amenable number.

65487473 is a deficient number, since it is larger than the sum of its proper divisors (1).

65487473 is an equidigital number, since it uses as much as digits as its factorization.

65487473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 65487473 is about 8092.4330704677. The cubic root of 65487473 is about 403.0751993686.

The spelling of 65487473 in words is "sixty-five million, four hundred eighty-seven thousand, four hundred seventy-three".