525125251 has 4 divisors (see below), whose sum is σ = 600143152. Its totient is φ = 450107352.

The previous prime is 525125231. The next prime is 525125261. The reversal of 525125251 is 152521525.

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

It is a cyclic number.

It is not a de Polignac number, because 525125251 - 2¹³ = 525117059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525125231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37508940 + ... + 37508953.

It is an arithmetic number, because the mean of its divisors is an integer number (150035788).

Almost surely, 2^525125251 is an apocalyptic number.

525125251 is a deficient number, since it is larger than the sum of its proper divisors (75017901).

525125251 is an equidigital number, since it uses as much as digits as its factorization.

525125251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75017900.

The product of its digits is 5000, while the sum is 28.

The square root of 525125251 is about 22915.6115126784. The cubic root of 525125251 is about 806.7784714195.

Adding to 525125251 its reverse (152521525), we get a palindrome (677646776).

The spelling of 525125251 in words is "five hundred twenty-five million, one hundred twenty-five thousand, two hundred fifty-one".