65021675 has 6 divisors (see below), whose sum is σ = 80626908. Its totient is φ = 52017320.

The previous prime is 65021647. The next prime is 65021689. The reversal of 65021675 is 57612056.

It is a happy number.

It is not a de Polignac number, because 65021675 - 2⁸ = 65021419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1300409 + ... + 1300458.

It is an arithmetic number, because the mean of its divisors is an integer number (13437818).

Almost surely, 2^65021675 is an apocalyptic number.

65021675 is a deficient number, since it is larger than the sum of its proper divisors (15605233).

65021675 is a wasteful number, since it uses less digits than its factorization.

65021675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600877 (or 2600872 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 65021675 is about 8063.6018626914. The cubic root of 65021675 is about 402.1172628054.

The spelling of 65021675 in words is "sixty-five million, twenty-one thousand, six hundred seventy-five".