65049571 has 2 divisors, whose sum is σ = 65049572. Its totient is φ = 65049570.

The previous prime is 65049541. The next prime is 65049623. The reversal of 65049571 is 17594056.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65049571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65049571.

It is not a weakly prime, because it can be changed into another prime (65049541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32524785 + 32524786.

It is an arithmetic number, because the mean of its divisors is an integer number (32524786).

Almost surely, 2^65049571 is an apocalyptic number.

65049571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65049571 is an equidigital number, since it uses as much as digits as its factorization.

65049571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 65049571 is about 8065.3314253042. The cubic root of 65049571 is about 402.1747608594.

The spelling of 65049571 in words is "sixty-five million, forty-nine thousand, five hundred seventy-one".