1525555052 has 24 divisors (see below), whose sum is σ = 3085397280. Its totient is φ = 646462080.

The previous prime is 1525555033. The next prime is 1525555067. The reversal of 1525555052 is 2505555251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303599 + ... + 308582.

It is an arithmetic number, because the mean of its divisors is an integer number (128558220).

Almost surely, 2^1525555052 is an apocalyptic number.

It is an amenable number.

1525555052 is an abundant number, since it is smaller than the sum of its proper divisors (1559842228).

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

1525555052 is a wasteful number, since it uses less digits than its factorization.

1525555052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612281 (or 612279 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 1525555052 is about 39058.3544456241. The cubic root of 1525555052 is about 1151.1783893355.

It can be divided in two parts, 15255 and 55052, that added together give a palindrome (70307).

The spelling of 1525555052 in words is "one billion, five hundred twenty-five million, five hundred fifty-five thousand, fifty-two".