253553212 has 24 divisors (see below), whose sum is σ = 490879872. Its totient is φ = 113626800.

The previous prime is 253553207. The next prime is 253553221. The reversal of 253553212 is 212355352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37458 + ... + 43705.

It is an arithmetic number, because the mean of its divisors is an integer number (20453328).

Almost surely, 2^253553212 is an apocalyptic number.

253553212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253553212 is a deficient number, since it is larger than the sum of its proper divisors (237326660).

253553212 is a wasteful number, since it uses less digits than its factorization.

253553212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81249 (or 81247 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 253553212 is about 15923.3542948714. The cubic root of 253553212 is about 632.9310071411.

The spelling of 253553212 in words is "two hundred fifty-three million, five hundred fifty-three thousand, two hundred twelve".