1325057 has 4 divisors (see below), whose sum is σ = 1334100. Its totient is φ = 1316016.

The previous prime is 1325047. The next prime is 1325063. The reversal of 1325057 is 7505231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7505231 = 263 ⋅28537.

It can be written as a sum of positive squares in 2 ways, for example, as 167281 + 1157776 = 409^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325057 - 2¹⁰ = 1324033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4298 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (333525).

It is a Proth number, since it is equal to 647 ⋅ 2¹¹ + 1 and 647 < 2¹¹.

2^1325057 is an apocalyptic number.

It is an amenable number.

1325057 is a deficient number, since it is larger than the sum of its proper divisors (9043).

1325057 is an equidigital number, since it uses as much as digits as its factorization.

1325057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1325057 is about 1151.1112022737. Note that the first 3 decimals coincide. The cubic root of 1325057 is about 109.8360367135.

The spelling of 1325057 in words is "one million, three hundred twenty-five thousand, fifty-seven".