525426401 has 4 divisors (see below), whose sum is σ = 525510192. Its totient is φ = 525342612.

The previous prime is 525426371. The next prime is 525426403. The reversal of 525426401 is 104624525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525426401 - 2⁶ = 525426337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525426403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31655 + ... + 45308.

It is an arithmetic number, because the mean of its divisors is an integer number (131377548).

Almost surely, 2^525426401 is an apocalyptic number.

It is an amenable number.

525426401 is a deficient number, since it is larger than the sum of its proper divisors (83791).

525426401 is an equidigital number, since it uses as much as digits as its factorization.

525426401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83790.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 525426401 is about 22922.1814188790. The cubic root of 525426401 is about 806.9326663196.

The spelling of 525426401 in words is "five hundred twenty-five million, four hundred twenty-six thousand, four hundred one".