1021354325 has 12 divisors (see below), whose sum is σ = 1270247940. Its totient is φ = 814652160.

The previous prime is 1021354297. The next prime is 1021354331. The reversal of 1021354325 is 5234531201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 63266116 + 958088209 = 7954^2 + 30953^2 .

It is not a de Polignac number, because 1021354325 - 2¹⁸ = 1021092181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021354294 and 1021354303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52190 + ... + 69039.

It is an arithmetic number, because the mean of its divisors is an integer number (105853995).

Almost surely, 2^1021354325 is an apocalyptic number.

It is an amenable number.

1021354325 is a deficient number, since it is larger than the sum of its proper divisors (248893615).

1021354325 is a wasteful number, since it uses less digits than its factorization.

1021354325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121576 (or 121571 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1021354325 is about 31958.6345922350. The cubic root of 1021354325 is about 1007.0680335358.

Adding to 1021354325 its reverse (5234531201), we get a palindrome (6255885526).

The spelling of 1021354325 in words is "one billion, twenty-one million, three hundred fifty-four thousand, three hundred twenty-five".