65057533 has 2 divisors, whose sum is σ = 65057534. Its totient is φ = 65057532.

The previous prime is 65057497. The next prime is 65057549. The reversal of 65057533 is 33575056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 22781529 = 6502^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 65057533 - 2¹⁷ = 64926461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65057563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528766 + 32528767.

It is an arithmetic number, because the mean of its divisors is an integer number (32528767).

Almost surely, 2^65057533 is an apocalyptic number.

It is an amenable number.

65057533 is a deficient number, since it is larger than the sum of its proper divisors (1).

65057533 is an equidigital number, since it uses as much as digits as its factorization.

65057533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 65057533 is about 8065.8250043006. The cubic root of 65057533 is about 402.1911687812.

The spelling of 65057533 in words is "sixty-five million, fifty-seven thousand, five hundred thirty-three".