525443401 has 16 divisors (see below), whose sum is σ = 617613696. Its totient is φ = 437584896.

The previous prime is 525443393. The next prime is 525443407. The reversal of 525443401 is 104344525.

It is not a de Polignac number, because 525443401 - 2³ = 525443393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525443401.

It is not an unprimeable number, because it can be changed into a prime (525443407) 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, 314370 + ... + 316036.

It is an arithmetic number, because the mean of its divisors is an integer number (38600856).

Almost surely, 2^525443401 is an apocalyptic number.

It is an amenable number.

525443401 is a deficient number, since it is larger than the sum of its proper divisors (92170295).

525443401 is a wasteful number, since it uses less digits than its factorization.

525443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928.

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

The square root of 525443401 is about 22922.5522357350. The cubic root of 525443401 is about 806.9413689069.

Adding to 525443401 its reverse (104344525), we get a palindrome (629787926).

It can be divided in two parts, 52544 and 3401, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 525443401 in words is "five hundred twenty-five million, four hundred forty-three thousand, four hundred one".