1525041505 has 16 divisors (see below), whose sum is σ = 1977961104. Its totient is φ = 1122105600.

The previous prime is 1525041487. The next prime is 1525041509. The reversal of 1525041505 is 5051405251.

It can be written as a sum of positive squares in 8 ways, for example, as 471584656 + 1053456849 = 21716^2 + 32457^2 .

It is not a de Polignac number, because 1525041505 - 2⁷ = 1525041377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525041509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24346 + ... + 60355.

It is an arithmetic number, because the mean of its divisors is an integer number (123622569).

Almost surely, 2^1525041505 is an apocalyptic number.

It is an amenable number.

1525041505 is a deficient number, since it is larger than the sum of its proper divisors (452919599).

1525041505 is a wasteful number, since it uses less digits than its factorization.

1525041505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84996.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1525041505 is about 39051.7797929877. The cubic root of 1525041505 is about 1151.0492012614.

Adding to 1525041505 its reverse (5051405251), we get a palindrome (6576446756).

The spelling of 1525041505 in words is "one billion, five hundred twenty-five million, forty-one thousand, five hundred five".