15252450 has 48 divisors (see below), whose sum is σ = 39479616. Its totient is φ = 3889600.

The previous prime is 15252449. The next prime is 15252467. The reversal of 15252450 is 5425251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15252450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1240 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (822492).

Almost surely, 2^15252450 is an apocalyptic number.

15252450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15252450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19739808).

15252450 is an abundant number, since it is smaller than the sum of its proper divisors (24227166).

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

15252450 is a wasteful number, since it uses less digits than its factorization.

15252450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459 (or 4454 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 15252450 is about 3905.4385157111. The cubic root of 15252450 is about 247.9970624869.

The spelling of 15252450 in words is "fifteen million, two hundred fifty-two thousand, four hundred fifty".