1025510025 has 12 divisors (see below), whose sum is σ = 1695510032. Its totient is φ = 546938640.

The previous prime is 1025510021. The next prime is 1025510029. The reversal of 1025510025 is 5200155201.

It is an interprime number because it is at equal distance from previous prime (1025510021) and next prime (1025510029).

It is not a de Polignac number, because 1025510025 - 2² = 1025510021 is a prime.

It is a super-2 number, since 2×1025510025² = 2103341622751001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025509983 and 1025510010.

It is not an unprimeable number, because it can be changed into a prime (1025510021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6836659 + ... + 6836808.

Almost surely, 2^1025510025 is an apocalyptic number.

1025510025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025510025 is a deficient number, since it is larger than the sum of its proper divisors (670000007).

1025510025 is a wasteful number, since it uses less digits than its factorization.

1025510025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673480 (or 13673475 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1025510025 is about 32023.5854488532. The cubic root of 1025510025 is about 1008.4320424886.

Adding to 1025510025 its reverse (5200155201), we get a palindrome (6225665226).

The spelling of 1025510025 in words is "one billion, twenty-five million, five hundred ten thousand, twenty-five".