65361915 has 12 divisors (see below), whose sum is σ = 113294064. Its totient is φ = 34859664.

The previous prime is 65361899. The next prime is 65361931. The reversal of 65361915 is 51916356.

It is an interprime number because it is at equal distance from previous prime (65361899) and next prime (65361931).

It is not a de Polignac number, because 65361915 - 2⁴ = 65361899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65361915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726199 + ... + 726288.

It is an arithmetic number, because the mean of its divisors is an integer number (9441172).

Almost surely, 2^65361915 is an apocalyptic number.

65361915 is a deficient number, since it is larger than the sum of its proper divisors (47932149).

65361915 is a wasteful number, since it uses less digits than its factorization.

65361915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452498 (or 1452495 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 65361915 is about 8084.6716074309. The cubic root of 65361915 is about 402.8174315229.

The spelling of 65361915 in words is "sixty-five million, three hundred sixty-one thousand, nine hundred fifteen".