1021325 has 6 divisors (see below), whose sum is σ = 1266474. Its totient is φ = 817040.

The previous prime is 1021303. The next prime is 1021327. The reversal of 1021325 is 5231201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 334084 + 687241 = 578^2 + 829^2 .

It is not a de Polignac number, because 1021325 - 2⁶ = 1021261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20402 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (211079).

2^1021325 is an apocalyptic number.

It is an amenable number.

1021325 is a deficient number, since it is larger than the sum of its proper divisors (245149).

1021325 is an equidigital number, since it uses as much as digits as its factorization.

1021325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40863 (or 40858 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1021325 is about 1010.6062536913. The cubic root of 1021325 is about 100.7058395172.

Adding to 1021325 its reverse (5231201), we get a palindrome (6252526).

The spelling of 1021325 in words is "one million, twenty-one thousand, three hundred twenty-five".