65289131 has 8 divisors (see below), whose sum is σ = 67891584. Its totient is φ = 62717760.

The previous prime is 65289109. The next prime is 65289143. The reversal of 65289131 is 13198256.

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 65289131 - 2⁶ = 65289067 is a prime.

It is a super-2 number, since 2×65289131² = 8525341253470322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65289091 and 65289100.

It is not an unprimeable number, because it can be changed into a prime (65289031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (8486448).

Almost surely, 2^65289131 is an apocalyptic number.

65289131 is a deficient number, since it is larger than the sum of its proper divisors (2602453).

65289131 is a wasteful number, since it uses less digits than its factorization.

65289131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15541.

The product of its digits is 12960, while the sum is 35.

The square root of 65289131 is about 8080.1689957575. The cubic root of 65289131 is about 402.6678563801.

The spelling of 65289131 in words is "sixty-five million, two hundred eighty-nine thousand, one hundred thirty-one".