253878212 has 18 divisors (see below), whose sum is σ = 516823902. Its totient is φ = 108804864.

The previous prime is 253878199. The next prime is 253878223. The reversal of 253878212 is 212878352.

It can be written as a sum of positive squares in only one way, i.e., 229037956 + 24840256 = 15134^2 + 4984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647453 + ... + 647844.

It is an arithmetic number, because the mean of its divisors is an integer number (28712439).

Almost surely, 2^253878212 is an apocalyptic number.

It is an amenable number.

253878212 is an abundant number, since it is smaller than the sum of its proper divisors (262945690).

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

253878212 is a wasteful number, since it uses less digits than its factorization.

253878212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295315 (or 1295306 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 253878212 is about 15933.5561630165. The cubic root of 253878212 is about 633.2013182520.

The spelling of 253878212 in words is "two hundred fifty-three million, eight hundred seventy-eight thousand, two hundred twelve".