427240825 has 24 divisors (see below), whose sum is σ = 582150240. Its totient is φ = 308457600.

The previous prime is 427240817. The next prime is 427240873. The reversal of 427240825 is 528042724.

It is not a de Polignac number, because 427240825 - 2³ = 427240817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32637 + ... + 43813.

It is an arithmetic number, because the mean of its divisors is an integer number (24256260).

Almost surely, 2^427240825 is an apocalyptic number.

It is an amenable number.

427240825 is a deficient number, since it is larger than the sum of its proper divisors (154909415).

427240825 is a wasteful number, since it uses less digits than its factorization.

427240825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11337 (or 11332 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 427240825 is about 20669.8046676789. The cubic root of 427240825 is about 753.1663615421.

The spelling of 427240825 in words is "four hundred twenty-seven million, two hundred forty thousand, eight hundred twenty-five".