525470401 has 8 divisors (see below), whose sum is σ = 543868200. Its totient is φ = 507091200.

The previous prime is 525470381. The next prime is 525470417. The reversal of 525470401 is 104074525.

It can be written as a sum of positive squares in 4 ways, for example, as 9090225 + 516380176 = 3015^2 + 22724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525470401 - 2⁵ = 525470369 is a prime.

It is a super-2 number, since 2×525470401² = 552238284654201602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525470401.

It is not an unprimeable number, because it can be changed into a prime (525476401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77995 + ... + 84463.

It is an arithmetic number, because the mean of its divisors is an integer number (67983525).

Almost surely, 2^525470401 is an apocalyptic number.

It is an amenable number.

525470401 is a deficient number, since it is larger than the sum of its proper divisors (18397799).

525470401 is a wasteful number, since it uses less digits than its factorization.

525470401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 525470401 is about 22923.1411678243. The cubic root of 525470401 is about 806.9551902774.

The spelling of 525470401 in words is "five hundred twenty-five million, four hundred seventy thousand, four hundred one".