1021625485 has 8 divisors (see below), whose sum is σ = 1268224920. Its totient is φ = 789117504.

The previous prime is 1021625467. The next prime is 1021625567. The reversal of 1021625485 is 5845261201.

It is a happy number.

1021625485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 104080804 + 917544681 = 10202^2 + 30291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021625485 - 2²¹ = 1019528333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021625485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522702 + ... + 3522991.

It is an arithmetic number, because the mean of its divisors is an integer number (158528115).

Almost surely, 2^1021625485 is an apocalyptic number.

It is an amenable number.

1021625485 is a deficient number, since it is larger than the sum of its proper divisors (246599435).

1021625485 is an equidigital number, since it uses as much as digits as its factorization.

1021625485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045727.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1021625485 is about 31962.8766696616. The cubic root of 1021625485 is about 1007.1571480244.

Adding to 1021625485 its reverse (5845261201), we get a palindrome (6866886686).

The spelling of 1021625485 in words is "one billion, twenty-one million, six hundred twenty-five thousand, four hundred eighty-five".