425553898 has 32 divisors (see below), whose sum is σ = 797257728. Its totient is φ = 165505200.

The previous prime is 425553881. The next prime is 425553899. The reversal of 425553898 is 898355524.

It is a happy number.

It is a super-2 number, since 2×425553898² = 362192240205988808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425553899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97503 + ... + 101773.

It is an arithmetic number, because the mean of its divisors is an integer number (24914304).

Almost surely, 2^425553898 is an apocalyptic number.

425553898 is a deficient number, since it is larger than the sum of its proper divisors (371703830).

425553898 is a wasteful number, since it uses less digits than its factorization.

425553898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938.

The product of its digits is 1728000, while the sum is 49.

The square root of 425553898 is about 20628.9577536045. The cubic root of 425553898 is about 752.1737811839.

The spelling of 425553898 in words is "four hundred twenty-five million, five hundred fifty-three thousand, eight hundred ninety-eight".