526482421 has 4 divisors (see below), whose sum is σ = 526585644. Its totient is φ = 526379200.

The previous prime is 526482409. The next prime is 526482427. The reversal of 526482421 is 124284625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244578321 + 281904100 = 15639^2 + 16790^2 .

It is a cyclic number.

It is not a de Polignac number, because 526482421 - 2⁵ = 526482389 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 (526482427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43540 + ... + 54301.

It is an arithmetic number, because the mean of its divisors is an integer number (131646411).

Almost surely, 2^526482421 is an apocalyptic number.

It is an amenable number.

526482421 is a deficient number, since it is larger than the sum of its proper divisors (103223).

526482421 is an equidigital number, since it uses as much as digits as its factorization.

526482421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103222.

The product of its digits is 30720, while the sum is 34.

The square root of 526482421 is about 22945.2047495768. The cubic root of 526482421 is about 807.4729048665.

The spelling of 526482421 in words is "five hundred twenty-six million, four hundred eighty-two thousand, four hundred twenty-one".