65246477 has 2 divisors, whose sum is σ = 65246478. Its totient is φ = 65246476.

The previous prime is 65246473. The next prime is 65246479. The reversal of 65246477 is 77464256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 15952036 = 7021^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 65246477 - 2² = 65246473 is a prime.

Together with 65246479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65246471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32623238 + 32623239.

It is an arithmetic number, because the mean of its divisors is an integer number (32623239).

Almost surely, 2^65246477 is an apocalyptic number.

It is an amenable number.

65246477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65246477 is an equidigital number, since it uses as much as digits as its factorization.

65246477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 65246477 is about 8077.5291395327. The cubic root of 65246477 is about 402.5801483848.

The spelling of 65246477 in words is "sixty-five million, two hundred forty-six thousand, four hundred seventy-seven".