427863125 has 10 divisors (see below), whose sum is σ = 534658542. Its totient is φ = 342290000.

The previous prime is 427863119. The next prime is 427863143. The reversal of 427863125 is 521368724.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 312794596 + 115068529 = 17686^2 + 10727^2 .

It is not a de Polignac number, because 427863125 - 2²⁸ = 159427669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 341666 + ... + 342915.

Almost surely, 2^427863125 is an apocalyptic number.

It is an amenable number.

427863125 is a deficient number, since it is larger than the sum of its proper divisors (106795417).

427863125 is an frugal number, since it uses more digits than its factorization.

427863125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684601 (or 684586 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 427863125 is about 20684.8525496316. The cubic root of 427863125 is about 753.5318603608.

The spelling of 427863125 in words is "four hundred twenty-seven million, eight hundred sixty-three thousand, one hundred twenty-five".