65011477 has 2 divisors, whose sum is σ = 65011478. Its totient is φ = 65011476.

The previous prime is 65011459. The next prime is 65011489. The reversal of 65011477 is 77411056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 12680721 = 7234^2 + 3561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65011477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65011447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32505738 + 32505739.

It is an arithmetic number, because the mean of its divisors is an integer number (32505739).

Almost surely, 2^65011477 is an apocalyptic number.

It is an amenable number.

65011477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65011477 is an equidigital number, since it uses as much as digits as its factorization.

65011477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 65011477 is about 8062.9694902064. The cubic root of 65011477 is about 402.0962390147.

The spelling of 65011477 in words is "sixty-five million, eleven thousand, four hundred seventy-seven".