1525013230 has 32 divisors (see below), whose sum is σ = 3019089024. Its totient is φ = 551099136.

The previous prime is 1525013221. The next prime is 1525013257. The reversal of 1525013230 is 323105251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118687 + ... + 130906.

It is an arithmetic number, because the mean of its divisors is an integer number (94346532).

Almost surely, 2^1525013230 is an apocalyptic number.

1525013230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1525013230 is a deficient number, since it is larger than the sum of its proper divisors (1494075794).

1525013230 is a wasteful number, since it uses less digits than its factorization.

1525013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249660.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1525013230 is about 39051.4177719580. The cubic root of 1525013230 is about 1151.0420875496.

Adding to 1525013230 its reverse (323105251), we get a palindrome (1848118481).

The spelling of 1525013230 in words is "one billion, five hundred twenty-five million, thirteen thousand, two hundred thirty".