65077131 has 16 divisors (see below), whose sum is σ = 102585600. Its totient is φ = 35904288.

The previous prime is 65077123. The next prime is 65077171. The reversal of 65077131 is 13177056.

It is not a de Polignac number, because 65077131 - 2³ = 65077123 is a prime.

It is a super-2 number, since 2×65077131² = 8470065958382322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65077171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52821 + ... + 54038.

It is an arithmetic number, because the mean of its divisors is an integer number (6411600).

Almost surely, 2^65077131 is an apocalyptic number.

65077131 is a deficient number, since it is larger than the sum of its proper divisors (37508469).

65077131 is a wasteful number, since it uses less digits than its factorization.

65077131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106898.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 65077131 is about 8067.0397916460. The cubic root of 65077131 is about 402.2315502242.

The spelling of 65077131 in words is "sixty-five million, seventy-seven thousand, one hundred thirty-one".