65904413 has 2 divisors, whose sum is σ = 65904414. Its totient is φ = 65904412.

The previous prime is 65904389. The next prime is 65904431. The reversal of 65904413 is 31440956.

Together with next prime (65904431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 24970009 = 6398^2 + 4997^2 .

It is a cyclic number.

It is not a de Polignac number, because 65904413 - 2¹⁰ = 65903389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65904413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65904463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32952206 + 32952207.

It is an arithmetic number, because the mean of its divisors is an integer number (32952207).

Almost surely, 2^65904413 is an apocalyptic number.

It is an amenable number.

65904413 is a deficient number, since it is larger than the sum of its proper divisors (1).

65904413 is an equidigital number, since it uses as much as digits as its factorization.

65904413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65904413 is about 8118.1532998583. The cubic root of 65904413 is about 403.9288118368.

The spelling of 65904413 in words is "sixty-five million, nine hundred four thousand, four hundred thirteen".