1021372325 has 12 divisors (see below), whose sum is σ = 1341002340. Its totient is φ = 769032960.

The previous prime is 1021372301. The next prime is 1021372333. The reversal of 1021372325 is 5232731201.

It can be written as a sum of positive squares in 6 ways, for example, as 141300769 + 880071556 = 11887^2 + 29666^2 .

It is not a de Polignac number, because 1021372325 - 2²⁸ = 752936869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021372294 and 1021372303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201190 + ... + 1202039.

It is an arithmetic number, because the mean of its divisors is an integer number (111750195).

Almost surely, 2^1021372325 is an apocalyptic number.

It is an amenable number.

1021372325 is a deficient number, since it is larger than the sum of its proper divisors (319630015).

1021372325 is a wasteful number, since it uses less digits than its factorization.

1021372325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403256 (or 2403251 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1021372325 is about 31958.9162050280. The cubic root of 1021372325 is about 1007.0739495755.

The spelling of 1021372325 in words is "one billion, twenty-one million, three hundred seventy-two thousand, three hundred twenty-five".