427645033225 has 12 divisors (see below), whose sum is σ = 530311847056. Its totient is φ = 342095377680.

The previous prime is 427645033219. The next prime is 427645033271. The reversal of 427645033225 is 522330546724.

It is not a de Polignac number, because 427645033225 - 2³ = 427645033217 is a prime.

It is a super-2 number, since 2×427645033225² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 86727 + ... + 928876.

Almost surely, 2^427645033225 is an apocalyptic number.

It is an amenable number.

427645033225 is a deficient number, since it is larger than the sum of its proper divisors (102666813831).

427645033225 is a wasteful number, since it uses less digits than its factorization.

427645033225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032456 (or 1032451 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 43.

Adding to 427645033225 its reverse (522330546724), we get a palindrome (949975579949).

The spelling of 427645033225 in words is "four hundred twenty-seven billion, six hundred forty-five million, thirty-three thousand, two hundred twenty-five".