1025230515 has 8 divisors (see below), whose sum is σ = 1640368848. Its totient is φ = 546789600.

The previous prime is 1025230513. The next prime is 1025230537. The reversal of 1025230515 is 5150325201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025230515 - 2¹ = 1025230513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025230513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34174336 + ... + 34174365.

It is an arithmetic number, because the mean of its divisors is an integer number (205046106).

Almost surely, 2^1025230515 is an apocalyptic number.

1025230515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025230515 is a deficient number, since it is larger than the sum of its proper divisors (615138333).

1025230515 is an equidigital number, since it uses as much as digits as its factorization.

1025230515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68348709.

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

The square root of 1025230515 is about 32019.2210242535. The cubic root of 1025230515 is about 1008.3404157385.

Adding to 1025230515 its reverse (5150325201), we get a palindrome (6175555716).

It can be divided in two parts, 1025 and 230515, that added together give a triangular number (231540 = T₆₈₀).

The spelling of 1025230515 in words is "one billion, twenty-five million, two hundred thirty thousand, five hundred fifteen".