65507933 has 4 divisors (see below), whose sum is σ = 68356128. Its totient is φ = 62659740.

The previous prime is 65507927. The next prime is 65507957. The reversal of 65507933 is 33970556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65507933 - 2¹⁴ = 65491549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65507903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424063 + ... + 1424108.

It is an arithmetic number, because the mean of its divisors is an integer number (17089032).

Almost surely, 2^65507933 is an apocalyptic number.

It is an amenable number.

65507933 is a deficient number, since it is larger than the sum of its proper divisors (2848195).

65507933 is a wasteful number, since it uses less digits than its factorization.

65507933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848194.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 65507933 is about 8093.6971156573. The cubic root of 65507933 is about 403.1171720772.

The spelling of 65507933 in words is "sixty-five million, five hundred seven thousand, nine hundred thirty-three".