1325457 has 16 divisors (see below), whose sum is σ = 2244480. Its totient is φ = 757296.

The previous prime is 1325449. The next prime is 1325483. The reversal of 1325457 is 7545231.

It is a happy number.

It is not a de Polignac number, because 1325457 - 2³ = 1325449 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 1325457.

It is not an unprimeable number, because it can be changed into a prime (1325417) 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, 3318 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (140280).

2^1325457 is an apocalyptic number.

It is an amenable number.

1325457 is a deficient number, since it is larger than the sum of its proper divisors (919023).

1325457 is an equidigital number, since it uses as much as digits as its factorization.

1325457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029 (or 7023 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1325457 is about 1151.2849343234. The cubic root of 1325457 is about 109.8470878091.

The spelling of 1325457 in words is "one million, three hundred twenty-five thousand, four hundred fifty-seven".