1035220525 has 12 divisors (see below), whose sum is σ = 1359184212. Its totient is φ = 779459840.

The previous prime is 1035220517. The next prime is 1035220553. The reversal of 1035220525 is 5250225301.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 97574884 + 937645641 = 9878^2 + 30621^2 .

It is not a de Polignac number, because 1035220525 - 2³ = 1035220517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1035220525.

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, 1217482 + ... + 1218331.

It is an arithmetic number, because the mean of its divisors is an integer number (113265351).

Almost surely, 2^1035220525 is an apocalyptic number.

It is an amenable number.

1035220525 is a deficient number, since it is larger than the sum of its proper divisors (323963687).

1035220525 is a wasteful number, since it uses less digits than its factorization.

1035220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435840 (or 2435835 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1035220525 is about 32174.8430454602. The cubic root of 1035220525 is about 1011.6049785050.

Adding to 1035220525 its reverse (5250225301), we get a palindrome (6285445826).

The spelling of 1035220525 in words is "one billion, thirty-five million, two hundred twenty thousand, five hundred twenty-five".