1501525242 has 64 divisors (see below), whose sum is σ = 3847253760. Its totient is φ = 425198592.

The previous prime is 1501525237. The next prime is 1501525243. The reversal of 1501525242 is 2425251051.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1501525243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25138 + ... + 60290.

It is an arithmetic number, because the mean of its divisors is an integer number (60113340).

Almost surely, 2^1501525242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1501525242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923626880).

1501525242 is an abundant number, since it is smaller than the sum of its proper divisors (2345728518).

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

1501525242 is a wasteful number, since it uses less digits than its factorization.

1501525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35284 (or 35278 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1501525242 is about 38749.5192486307. The cubic root of 1501525242 is about 1145.1021036183.

Adding to 1501525242 its reverse (2425251051), we get a palindrome (3926776293).

The spelling of 1501525242 in words is "one billion, five hundred one million, five hundred twenty-five thousand, two hundred forty-two".