985137 has 4 divisors (see below), whose sum is σ = 1313520. Its totient is φ = 656756.

The previous prime is 985129. The next prime is 985151. The reversal of 985137 is 731589.

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, and also an emirpimes, since its reverse is a distinct semiprime: 731589 = 3 ⋅243863.

It is a cyclic number.

It is not a de Polignac number, because 985137 - 2³ = 985129 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 985098 and 985107.

It is not an unprimeable number, because it can be changed into a prime (985177) 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, 164187 + ... + 164192.

It is an arithmetic number, because the mean of its divisors is an integer number (328380).

2⁹⁸⁵¹³⁷ is an apocalyptic number.

It is an amenable number.

985137 is a deficient number, since it is larger than the sum of its proper divisors (328383).

985137 is a wasteful number, since it uses less digits than its factorization.

985137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328382.

The product of its digits is 7560, while the sum is 33.

The square root of 985137 is about 992.5406792671. The cubic root of 985137 is about 99.5020916541.

The spelling of 985137 in words is "nine hundred eighty-five thousand, one hundred thirty-seven".