65752151 has 4 divisors (see below), whose sum is σ = 67355904. Its totient is φ = 64148400.

The previous prime is 65752121. The next prime is 65752163. The reversal of 65752151 is 15125756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65752151 is a prime.

It is a super-2 number, since 2×65752151² = 8646690722253602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65752121) 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, 801815 + ... + 801896.

It is an arithmetic number, because the mean of its divisors is an integer number (16838976).

Almost surely, 2^65752151 is an apocalyptic number.

65752151 is a deficient number, since it is larger than the sum of its proper divisors (1603753).

65752151 is a wasteful number, since it uses less digits than its factorization.

65752151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603752.

The product of its digits is 10500, while the sum is 32.

The square root of 65752151 is about 8108.7700053707. The cubic root of 65752151 is about 403.6175001899.

The spelling of 65752151 in words is "sixty-five million, seven hundred fifty-two thousand, one hundred fifty-one".