525448375 has 8 divisors (see below), whose sum is σ = 655759728. Its totient is φ = 420358600.

The previous prime is 525448373. The next prime is 525448381. The reversal of 525448375 is 573844525.

It is not a de Polignac number, because 525448375 - 2¹ = 525448373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525448373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101669 + ... + 2101918.

It is an arithmetic number, because the mean of its divisors is an integer number (81969966).

Almost surely, 2^525448375 is an apocalyptic number.

525448375 is a deficient number, since it is larger than the sum of its proper divisors (130311353).

525448375 is an equidigital number, since it uses as much as digits as its factorization.

525448375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203602 (or 4203592 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 525448375 is about 22922.6607312502. The cubic root of 525448375 is about 806.9439151461.

It can be divided in two parts, 525 and 448375, that added together give a square (448900 = 670²).

The spelling of 525448375 in words is "five hundred twenty-five million, four hundred forty-eight thousand, three hundred seventy-five".