65481037 has 2 divisors, whose sum is σ = 65481038. Its totient is φ = 65481036.

The previous prime is 65480993. The next prime is 65481079. The reversal of 65481037 is 73018456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 11737476 = 7331^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 65481037 - 2¹¹ = 65478989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65480993 and 65481011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65481137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32740518 + 32740519.

It is an arithmetic number, because the mean of its divisors is an integer number (32740519).

Almost surely, 2^65481037 is an apocalyptic number.

It is an amenable number.

65481037 is a deficient number, since it is larger than the sum of its proper divisors (1).

65481037 is an equidigital number, since it uses as much as digits as its factorization.

65481037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 65481037 is about 8092.0354052612. The cubic root of 65481037 is about 403.0619944158.

The spelling of 65481037 in words is "sixty-five million, four hundred eighty-one thousand, thirty-seven".