65053481 has 2 divisors, whose sum is σ = 65053482. Its totient is φ = 65053480.

The previous prime is 65053477. The next prime is 65053507. The reversal of 65053481 is 18435056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54523456 + 10530025 = 7384^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 65053481 - 2² = 65053477 is a prime.

It is a super-2 number, since 2×65053481² = 8463910780434722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65053381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32526740 + 32526741.

It is an arithmetic number, because the mean of its divisors is an integer number (32526741).

Almost surely, 2^65053481 is an apocalyptic number.

It is an amenable number.

65053481 is a deficient number, since it is larger than the sum of its proper divisors (1).

65053481 is an equidigital number, since it uses as much as digits as its factorization.

65053481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 65053481 is about 8065.5738171565. The cubic root of 65053481 is about 402.1828186723.

The spelling of 65053481 in words is "sixty-five million, fifty-three thousand, four hundred eighty-one".