428501125 has 32 divisors (see below), whose sum is σ = 579720960. Its totient is φ = 314337600.

The previous prime is 428501093. The next prime is 428501147. The reversal of 428501125 is 521105824.

It is not a de Polignac number, because 428501125 - 2⁵ = 428501093 is a prime.

It is a super-2 number, since 2×428501125² = 367226428252531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428501093 and 428501102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270586 + ... + 272164.

It is an arithmetic number, because the mean of its divisors is an integer number (18116280).

Almost surely, 2^428501125 is an apocalyptic number.

It is an amenable number.

428501125 is a deficient number, since it is larger than the sum of its proper divisors (151219835).

428501125 is a wasteful number, since it uses less digits than its factorization.

428501125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 428501125 is about 20700.2687180626. The cubic root of 428501125 is about 753.9062126097.

Adding to 428501125 its reverse (521105824), we get a palindrome (949606949).

The spelling of 428501125 in words is "four hundred twenty-eight million, five hundred one thousand, one hundred twenty-five".