1525422504 has 64 divisors (see below), whose sum is σ = 4000752000. Its totient is φ = 484010240.

The previous prime is 1525422499. The next prime is 1525422523. The reversal of 1525422504 is 4052245251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33982 + ... + 64850.

It is an arithmetic number, because the mean of its divisors is an integer number (62511750).

Almost surely, 2^1525422504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525422504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2000376000).

1525422504 is an abundant number, since it is smaller than the sum of its proper divisors (2475329496).

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

1525422504 is a wasteful number, since it uses less digits than its factorization.

1525422504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30978 (or 30974 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1525422504 is about 39056.6576142916. The cubic root of 1525422504 is about 1151.1450482876.

Adding to 1525422504 its reverse (4052245251), we get a palindrome (5577667755).

The spelling of 1525422504 in words is "one billion, five hundred twenty-five million, four hundred twenty-two thousand, five hundred four".