1021322325 has 24 divisors (see below), whose sum is σ = 1693468000. Its totient is φ = 543130560.

The previous prime is 1021322317. The next prime is 1021322389. The reversal of 1021322325 is 5232231201.

It is not a de Polignac number, because 1021322325 - 2³ = 1021322317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6666 + ... + 45684.

Almost surely, 2^1021322325 is an apocalyptic number.

1021322325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021322325 is a deficient number, since it is larger than the sum of its proper divisors (672145675).

1021322325 is a wasteful number, since it uses less digits than its factorization.

1021322325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39381 (or 39376 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1021322325 is about 31958.1339411424. The cubic root of 1021322325 is about 1007.0575159603.

Adding to 1021322325 its reverse (5232231201), we get a palindrome (6253553526).

The spelling of 1021322325 in words is "one billion, twenty-one million, three hundred twenty-two thousand, three hundred twenty-five".