254785812 has 24 divisors (see below), whose sum is σ = 620348736. Its totient is φ = 81235968.

The previous prime is 254785759. The next prime is 254785819. The reversal of 254785812 is 218587452.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254785819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461293 + ... + 461844.

It is an arithmetic number, because the mean of its divisors is an integer number (25847864).

Almost surely, 2^254785812 is an apocalyptic number.

It is an amenable number.

254785812 is an abundant number, since it is smaller than the sum of its proper divisors (365562924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254785812 is a wasteful number, since it uses less digits than its factorization.

254785812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923167 (or 923165 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 254785812 is about 15962.0115273734. The cubic root of 254785812 is about 633.9549736323.

The spelling of 254785812 in words is "two hundred fifty-four million, seven hundred eighty-five thousand, eight hundred twelve".