525441403 has 16 divisors (see below), whose sum is σ = 554836480. Its totient is φ = 497049696.

The previous prime is 525441379. The next prime is 525441407. The reversal of 525441403 is 304144525.

It is a cyclic number.

It is not a de Polignac number, because 525441403 - 2²¹ = 523344251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525441407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194500 + ... + 197182.

It is an arithmetic number, because the mean of its divisors is an integer number (34677280).

Almost surely, 2^525441403 is an apocalyptic number.

525441403 is a deficient number, since it is larger than the sum of its proper divisors (29395077).

525441403 is a wasteful number, since it uses less digits than its factorization.

525441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 525441403 is about 22922.5086541591. The cubic root of 525441403 is about 806.9403461067.

Adding to 525441403 its reverse (304144525), we get a palindrome (829585928).

The spelling of 525441403 in words is "five hundred twenty-five million, four hundred forty-one thousand, four hundred three".