426120553 has 4 divisors (see below), whose sum is σ = 429231060. Its totient is φ = 423010048.

The previous prime is 426120529. The next prime is 426120557. The reversal of 426120553 is 355021624.

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 357512464 + 68608089 = 18908^2 + 8283^2 .

It is a cyclic number.

It is not a de Polignac number, because 426120553 - 2⁹ = 426120041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426120557) 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, 1555048 + ... + 1555321.

It is an arithmetic number, because the mean of its divisors is an integer number (107307765).

Almost surely, 2^426120553 is an apocalyptic number.

It is an amenable number.

426120553 is a deficient number, since it is larger than the sum of its proper divisors (3110507).

426120553 is a wasteful number, since it uses less digits than its factorization.

426120553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110506.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 426120553 is about 20642.6876399368. The cubic root of 426120553 is about 752.5074905712.

The spelling of 426120553 in words is "four hundred twenty-six million, one hundred twenty thousand, five hundred fifty-three".