1345425 has 12 divisors (see below), whose sum is σ = 2224560. Its totient is φ = 717520.

The previous prime is 1345423. The next prime is 1345441. The reversal of 1345425 is 5245431.

It is not a de Polignac number, because 1345425 - 2¹ = 1345423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1345395 and 1345404.

It is not an unprimeable number, because it can be changed into a prime (1345423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8895 + ... + 9044.

It is an arithmetic number, because the mean of its divisors is an integer number (185380).

2^1345425 is an apocalyptic number.

1345425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345425 is a deficient number, since it is larger than the sum of its proper divisors (879135).

1345425 is a wasteful number, since it uses less digits than its factorization.

1345425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17952 (or 17947 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 1345425 is about 1159.9245665128. The cubic root of 1345425 is about 110.3959559273.

It can be divided in two parts, 1345 and 425, that added together give a triangular number (1770 = T₅₉).

The spelling of 1345425 in words is "one million, three hundred forty-five thousand, four hundred twenty-five".