1025345 has 4 divisors (see below), whose sum is σ = 1230420. Its totient is φ = 820272.

The previous prime is 1025333. The next prime is 1025347. The reversal of 1025345 is 5435201.

1025345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 579121 + 446224 = 761^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025345 - 2⁶ = 1025281 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1025347) 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, 102530 + ... + 102539.

It is an arithmetic number, because the mean of its divisors is an integer number (307605).

2^1025345 is an apocalyptic number.

It is an amenable number.

1025345 is a deficient number, since it is larger than the sum of its proper divisors (205075).

1025345 is an equidigital number, since it uses as much as digits as its factorization.

1025345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205074.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1025345 is about 1012.5932055865. The cubic root of 1025345 is about 100.8377947316.

The spelling of 1025345 in words is "one million, twenty-five thousand, three hundred forty-five".