1525242480 has 160 divisors (see below), whose sum is σ = 5071818240. Its totient is φ = 377994240.

The previous prime is 1525242479. The next prime is 1525242491. The reversal of 1525242480 is 842425251.

It is a congruent number.

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, 238525 + ... + 244835.

It is an arithmetic number, because the mean of its divisors is an integer number (31698864).

Almost surely, 2^1525242480 is an apocalyptic number.

1525242480 is a gapful number since it is divisible by the number (10) 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 1525242480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535909120).

1525242480 is an abundant number, since it is smaller than the sum of its proper divisors (3546575760).

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

1525242480 is a wasteful number, since it uses less digits than its factorization.

1525242480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399 (or 6393 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 1525242480 is about 39054.3528943958. The cubic root of 1525242480 is about 1151.0997620606.

The spelling of 1525242480 in words is "one billion, five hundred twenty-five million, two hundred forty-two thousand, four hundred eighty".