65202481 has 2 divisors, whose sum is σ = 65202482. Its totient is φ = 65202480.

The previous prime is 65202461. The next prime is 65202563. The reversal of 65202481 is 18420256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 3045025 = 7884^2 + 1745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65202481 is a prime.

It is a super-2 number, since 2×65202481² = 8502727057110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65202461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32601240 + 32601241.

It is an arithmetic number, because the mean of its divisors is an integer number (32601241).

Almost surely, 2^65202481 is an apocalyptic number.

It is an amenable number.

65202481 is a deficient number, since it is larger than the sum of its proper divisors (1).

65202481 is an equidigital number, since it uses as much as digits as its factorization.

65202481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 65202481 is about 8074.8053227307. The cubic root of 65202481 is about 402.4896408223.

The spelling of 65202481 in words is "sixty-five million, two hundred two thousand, four hundred eighty-one".