525125451 has 4 divisors (see below), whose sum is σ = 700167272. Its totient is φ = 350083632.

The previous prime is 525125413. The next prime is 525125453. The reversal of 525125451 is 154521525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 525125451 - 2⁶ = 525125387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525125453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87520906 + ... + 87520911.

It is an arithmetic number, because the mean of its divisors is an integer number (175041818).

Almost surely, 2^525125451 is an apocalyptic number.

525125451 is a deficient number, since it is larger than the sum of its proper divisors (175041821).

525125451 is a wasteful number, since it uses less digits than its factorization.

525125451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175041820.

The product of its digits is 10000, while the sum is 30.

The square root of 525125451 is about 22915.6158765153. The cubic root of 525125451 is about 806.7785738432.

Adding to 525125451 its reverse (154521525), we get a palindrome (679646976).

The spelling of 525125451 in words is "five hundred twenty-five million, one hundred twenty-five thousand, four hundred fifty-one".