428325375 has 16 divisors (see below), whose sum is σ = 712734048. Its totient is φ = 228440000.

The previous prime is 428325371. The next prime is 428325409. The reversal of 428325375 is 573523824.

It is not a de Polignac number, because 428325375 - 2² = 428325371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428325371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570726 + ... + 571475.

It is an arithmetic number, because the mean of its divisors is an integer number (44545878).

Almost surely, 2^428325375 is an apocalyptic number.

428325375 is a deficient number, since it is larger than the sum of its proper divisors (284408673).

428325375 is a wasteful number, since it uses less digits than its factorization.

428325375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142219 (or 1142209 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 428325375 is about 20696.0231687153. The cubic root of 428325375 is about 753.8031268159.

The spelling of 428325375 in words is "four hundred twenty-eight million, three hundred twenty-five thousand, three hundred seventy-five".