65260401204533 has 2 divisors, whose sum is σ = 65260401204534. Its totient is φ = 65260401204532.

The previous prime is 65260401204487. The next prime is 65260401204539. The reversal of 65260401204533 is 33540210406256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61461554626564 + 3798846577969 = 7839742^2 + 1949063^2 .

It is a cyclic number.

It is not a de Polignac number, because 65260401204533 - 2¹² = 65260401200437 is a prime.

It is a super-2 number, since 2×65260401204533² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65260401204539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32630200602266 + 32630200602267.

It is an arithmetic number, because the mean of its divisors is an integer number (32630200602267).

Almost surely, 2^{65260401204533} is an apocalyptic number.

It is an amenable number.

65260401204533 is a deficient number, since it is larger than the sum of its proper divisors (1).

65260401204533 is an equidigital number, since it uses as much as digits as its factorization.

65260401204533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 65260401204533 in words is "sixty-five trillion, two hundred sixty billion, four hundred one million, two hundred four thousand, five hundred thirty-three".