1021413425 has 12 divisors (see below), whose sum is σ = 1267045020. Its totient is φ = 816813120.

The previous prime is 1021413413. The next prime is 1021413433. The reversal of 1021413425 is 5243141201.

It can be written as a sum of positive squares in 6 ways, for example, as 330985249 + 690428176 = 18193^2 + 26276^2 .

It is not a de Polignac number, because 1021413425 - 2¹⁰ = 1021412401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021413425.

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 11 ways as a sum of consecutive naturals, for example, 74399 + ... + 87051.

It is an arithmetic number, because the mean of its divisors is an integer number (105587085).

Almost surely, 2^1021413425 is an apocalyptic number.

It is an amenable number.

1021413425 is a deficient number, since it is larger than the sum of its proper divisors (245631595).

1021413425 is a wasteful number, since it uses less digits than its factorization.

1021413425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892 (or 15887 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1021413425 is about 31959.5592116037. The cubic root of 1021413425 is about 1007.0874576055.

Adding to 1021413425 its reverse (5243141201), we get a palindrome (6264554626).

The spelling of 1021413425 in words is "one billion, twenty-one million, four hundred thirteen thousand, four hundred twenty-five".