1316625 has 16 divisors (see below), whose sum is σ = 2191488. Its totient is φ = 702000.

The previous prime is 1316621. The next prime is 1316639. The reversal of 1316625 is 5266131.

It is not a de Polignac number, because 1316625 - 2² = 1316621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316595 and 1316604.

It is not an unprimeable number, because it can be changed into a prime (1316621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (136968).

2^1316625 is an apocalyptic number.

1316625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316625 is a deficient number, since it is larger than the sum of its proper divisors (874863).

1316625 is an equidigital number, since it uses as much as digits as its factorization.

1316625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3519 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1316625 is about 1147.4428090323. The cubic root of 1316625 is about 109.6025602347.

The spelling of 1316625 in words is "one million, three hundred sixteen thousand, six hundred twenty-five".