525125450 has 24 divisors (see below), whose sum is σ = 978211200. Its totient is φ = 209732400.

The previous prime is 525125413. The next prime is 525125453. The reversal of 525125450 is 54521525.

It is not an unprimeable number, because it can be changed into a prime (525125453) 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, 26951 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (40758800).

Almost surely, 2^525125450 is an apocalyptic number.

525125450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525125450 is a deficient number, since it is larger than the sum of its proper divisors (453085750).

525125450 is a wasteful number, since it uses less digits than its factorization.

525125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902 (or 15897 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 525125450 is about 22915.6158546961. The cubic root of 525125450 is about 806.7785733310.

Adding to 525125450 its reverse (54521525), we get a palindrome (579646975).

The spelling of 525125450 in words is "five hundred twenty-five million, one hundred twenty-five thousand, four hundred fifty".