1025202025 has 12 divisors (see below), whose sum is σ = 1273793472. Its totient is φ = 818521040.

The previous prime is 1025201963. The next prime is 1025202043. The reversal of 1025202025 is 5202025201.

It is not a de Polignac number, because 1025202025 - 2¹⁷ = 1025070953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025201993 and 1025202011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28189 + ... + 53338.

It is an arithmetic number, because the mean of its divisors is an integer number (106149456).

Almost surely, 2^1025202025 is an apocalyptic number.

It is an amenable number.

1025202025 is a deficient number, since it is larger than the sum of its proper divisors (248591447).

1025202025 is an equidigital number, since it uses as much as digits as its factorization.

1025202025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82040 (or 82035 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1025202025 is about 32018.7761321385. The cubic root of 1025202025 is about 1008.3310754376.

Adding to 1025202025 its reverse (5202025201), we get a palindrome (6227227226).

The spelling of 1025202025 in words is "one billion, twenty-five million, two hundred two thousand, twenty-five".