1525012302 has 64 divisors (see below), whose sum is σ = 3609059328. Its totient is φ = 424320000.

The previous prime is 1525012289. The next prime is 1525012303. The reversal of 1525012302 is 2032105251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525012303) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 29427 + ... + 62577.

It is an arithmetic number, because the mean of its divisors is an integer number (56391552).

Almost surely, 2^1525012302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525012302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804529664).

1525012302 is an abundant number, since it is smaller than the sum of its proper divisors (2084047026).

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

1525012302 is a wasteful number, since it uses less digits than its factorization.

1525012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33225.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1525012302 is about 39051.4058901853. The cubic root of 1525012302 is about 1151.0418540724.

Adding to 1525012302 its reverse (2032105251), we get a palindrome (3557117553).

The spelling of 1525012302 in words is "one billion, five hundred twenty-five million, twelve thousand, three hundred two".