1015253025 has 48 divisors (see below), whose sum is σ = 1741555200. Its totient is φ = 521256960.

The previous prime is 1015253021. The next prime is 1015253033. The reversal of 1015253025 is 5203525101.

It is a happy number.

It is not a de Polignac number, because 1015253025 - 2² = 1015253021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1015252986 and 1015253004.

It is not an unprimeable number, because it can be changed into a prime (1015253021) 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 47 ways as a sum of consecutive naturals, for example, 1319841 + ... + 1320609.

It is an arithmetic number, because the mean of its divisors is an integer number (36282400).

Almost surely, 2^1015253025 is an apocalyptic number.

1015253025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015253025 is a deficient number, since it is larger than the sum of its proper divisors (726302175).

1015253025 is a wasteful number, since it uses less digits than its factorization.

1015253025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1015253025 is about 31863.0354015433. The cubic root of 1015253025 is about 1005.0587079885.

Adding to 1015253025 its reverse (5203525101), we get a palindrome (6218778126).

The spelling of 1015253025 in words is "one billion, fifteen million, two hundred fifty-three thousand, twenty-five".