285036425 has 24 divisors (see below), whose sum is σ = 360468000. Its totient is φ = 223534080.

The previous prime is 285036421. The next prime is 285036431. The reversal of 285036425 is 524630582.

It is not a de Polignac number, because 285036425 - 2² = 285036421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (285036421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634601 + ... + 635049.

It is an arithmetic number, because the mean of its divisors is an integer number (15019500).

Almost surely, 2^285036425 is an apocalyptic number.

285036425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285036425 is a deficient number, since it is larger than the sum of its proper divisors (75431575).

285036425 is a wasteful number, since it uses less digits than its factorization.

285036425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 285036425 is about 16883.0217970599. The cubic root of 285036425 is about 658.1124712662.

The spelling of 285036425 in words is "two hundred eighty-five million, thirty-six thousand, four hundred twenty-five".