1031697 has 20 divisors (see below), whose sum is σ = 1579776. Its totient is φ = 670680.

The previous prime is 1031677. The next prime is 1031707. The reversal of 1031697 is 7961301.

It is not a de Polignac number, because 1031697 - 2⁶ = 1031633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1031697.

It is not an unprimeable number, because it can be changed into a prime (1031677) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3672 + ... + 3942.

2^1031697 is an apocalyptic number.

It is an amenable number.

1031697 is a deficient number, since it is larger than the sum of its proper divisors (548079).

1031697 is an equidigital number, since it uses as much as digits as its factorization.

1031697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1031697 is about 1015.7248643210. The cubic root of 1031697 is about 101.0455958558.

Adding to 1031697 its reverse (7961301), we get a palindrome (8992998).

It can be divided in two parts, 1031 and 697, that added together give a cube (1728 = 12³).

The spelling of 1031697 in words is "one million, thirty-one thousand, six hundred ninety-seven".