65231377 has 8 divisors (see below), whose sum is σ = 66052800. Its totient is φ = 64414224.

The previous prime is 65231371. The next prime is 65231399. The reversal of 65231377 is 77313256.

65231377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65231377 - 2¹⁹ = 64707089 is a prime.

It is a super-2 number, since 2×65231377² = 8510265090632258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65231371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38298 + ... + 39964.

It is an arithmetic number, because the mean of its divisors is an integer number (8256600).

Almost surely, 2^65231377 is an apocalyptic number.

It is an amenable number.

65231377 is a deficient number, since it is larger than the sum of its proper divisors (821423).

65231377 is a wasteful number, since it uses less digits than its factorization.

65231377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 26460, while the sum is 34.

The square root of 65231377 is about 8076.5943936786. The cubic root of 65231377 is about 402.5490895980.

The spelling of 65231377 in words is "sixty-five million, two hundred thirty-one thousand, three hundred seventy-seven".