1020253025 has 24 divisors (see below), whose sum is σ = 1393062624. Its totient is φ = 735046400.

The previous prime is 1020252983. The next prime is 1020253033. The reversal of 1020253025 is 5203520201.

It is not a de Polignac number, because 1020253025 - 2⁸ = 1020252769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020252988 and 1020253006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12089 + ... + 46761.

It is an arithmetic number, because the mean of its divisors is an integer number (58044276).

Almost surely, 2^1020253025 is an apocalyptic number.

It is an amenable number.

1020253025 is a deficient number, since it is larger than the sum of its proper divisors (372809599).

1020253025 is a wasteful number, since it uses less digits than its factorization.

1020253025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801 (or 34796 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1020253025 is about 31941.3998597432. The cubic root of 1020253025 is about 1006.7059382050.

Adding to 1020253025 its reverse (5203520201), we get a palindrome (6223773226).

The spelling of 1020253025 in words is "one billion, twenty million, two hundred fifty-three thousand, twenty-five".