525342450 has 24 divisors (see below), whose sum is σ = 1302849648. Its totient is φ = 140091280.

The previous prime is 525342437. The next prime is 525342451. The reversal of 525342450 is 54243525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (525342451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1750992 + ... + 1751291.

It is an arithmetic number, because the mean of its divisors is an integer number (54285402).

Almost surely, 2^525342450 is an apocalyptic number.

525342450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525342450 is an abundant number, since it is smaller than the sum of its proper divisors (777507198).

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

525342450 is a wasteful number, since it uses less digits than its factorization.

525342450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502298 (or 3502293 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 525342450 is about 22920.3501282158. The cubic root of 525342450 is about 806.8896876313.

Adding to 525342450 its reverse (54243525), we get a palindrome (579585975).

The spelling of 525342450 in words is "five hundred twenty-five million, three hundred forty-two thousand, four hundred fifty".