1345625 has 10 divisors (see below), whose sum is σ = 1682274. Its totient is φ = 1076000.

The previous prime is 1345621. The next prime is 1345627. The reversal of 1345625 is 5265431.

It can be written as a sum of positive squares in 5 ways, for example, as 866761 + 478864 = 931^2 + 692^2 .

It is not a de Polignac number, because 1345625 - 2² = 1345621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1345594 and 1345603.

It is not an unprimeable number, because it can be changed into a prime (1345621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 452 + ... + 1701.

2^1345625 is an apocalyptic number.

It is an amenable number.

1345625 is a deficient number, since it is larger than the sum of its proper divisors (336649).

1345625 is an frugal number, since it uses more digits than its factorization.

1345625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2158 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1345625 is about 1160.0107758120. The cubic root of 1345625 is about 110.4014258462.

It can be divided in two parts, 13456 and 25, that multiplied together give a square (336400 = 580²).

The spelling of 1345625 in words is "one million, three hundred forty-five thousand, six hundred twenty-five".