1525418412 has 96 divisors (see below), whose sum is σ = 4164787200. Its totient is φ = 434367360.

The previous prime is 1525418369. The next prime is 1525418441. The reversal of 1525418412 is 2148145251.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2004112 + ... + 2004872.

It is an arithmetic number, because the mean of its divisors is an integer number (43383200).

Almost surely, 2^1525418412 is an apocalyptic number.

1525418412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525418412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082393600).

1525418412 is an abundant number, since it is smaller than the sum of its proper divisors (2639368788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525418412 is a wasteful number, since it uses less digits than its factorization.

1525418412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1260 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 1525418412 is about 39056.6052288214. The cubic root of 1525418412 is about 1151.1440189575.

The spelling of 1525418412 in words is "one billion, five hundred twenty-five million, four hundred eighteen thousand, four hundred twelve".