1000251025 has 24 divisors (see below), whose sum is σ = 1306880640. Its totient is φ = 757933440.

The previous prime is 1000251017. The next prime is 1000251041. The reversal of 1000251025 is 5201520001.

It is not a de Polignac number, because 1000251025 - 2³ = 1000251017 is a prime.

It is a super-2 number, since 2×1000251025² = 2001004226027101250, which contains 22 as substring.

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, 50781 + ... + 67669.

It is an arithmetic number, because the mean of its divisors is an integer number (54453360).

Almost surely, 2^1000251025 is an apocalyptic number.

It is an amenable number.

1000251025 is a deficient number, since it is larger than the sum of its proper divisors (306629615).

1000251025 is a wasteful number, since it uses less digits than its factorization.

1000251025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025 (or 17020 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1000251025 is about 31626.7454063803. The cubic root of 1000251025 is about 1000.0836679995.

Adding to 1000251025 its reverse (5201520001), we get a palindrome (6201771026).

The spelling of 1000251025 in words is "one billion, two hundred fifty-one thousand, twenty-five".