65038215 has 32 divisors (see below), whose sum is σ = 114011136. Its totient is φ = 31397760.

The previous prime is 65038199. The next prime is 65038223. The reversal of 65038215 is 51283056.

It is not a de Polignac number, because 65038215 - 2⁴ = 65038199 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44994 + ... + 46416.

It is an arithmetic number, because the mean of its divisors is an integer number (3562848).

Almost surely, 2^65038215 is an apocalyptic number.

65038215 is a deficient number, since it is larger than the sum of its proper divisors (48972921).

65038215 is a wasteful number, since it uses less digits than its factorization.

65038215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 65038215 is about 8064.6273937486. The cubic root of 65038215 is about 402.1513563373.

The spelling of 65038215 in words is "sixty-five million, thirty-eight thousand, two hundred fifteen".