425355553 has 4 divisors (see below), whose sum is σ = 486120640. Its totient is φ = 364590468.

The previous prime is 425355523. The next prime is 425355563. The reversal of 425355553 is 355553524.

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 a de Polignac number, because none of the positive numbers 2^k-425355553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425355523) 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 3 ways as a sum of consecutive naturals, for example, 30382533 + ... + 30382546.

It is an arithmetic number, because the mean of its divisors is an integer number (121530160).

Almost surely, 2^425355553 is an apocalyptic number.

It is an amenable number.

425355553 is a deficient number, since it is larger than the sum of its proper divisors (60765087).

425355553 is an equidigital number, since it uses as much as digits as its factorization.

425355553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60765086.

The product of its digits is 225000, while the sum is 37.

The square root of 425355553 is about 20624.1497521716. The cubic root of 425355553 is about 752.0569036322.

The spelling of 425355553 in words is "four hundred twenty-five million, three hundred fifty-five thousand, five hundred fifty-three".