1525244480 has 56 divisors (see below), whose sum is σ = 3681798072. Its totient is φ = 601731072.

The previous prime is 1525244477. The next prime is 1525244489. The reversal of 1525244480 is 844425251.

It can be written as a sum of positive squares in 4 ways, for example, as 205520896 + 1319723584 = 14336^2 + 36328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1525244480.

It is not an unprimeable number, because it can be changed into a prime (1525244489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9287 + ... + 56006.

Almost surely, 2^1525244480 is an apocalyptic number.

1525244480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1525244480 is an abundant number, since it is smaller than the sum of its proper divisors (2156553592).

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

1525244480 is an equidigital number, since it uses as much as digits as its factorization.

1525244480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65383 (or 65373 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 1525244480 is about 39054.3784997278. The cubic root of 1525244480 is about 1151.1002651934.

The spelling of 1525244480 in words is "one billion, five hundred twenty-five million, two hundred forty-four thousand, four hundred eighty".