253551612 has 24 divisors (see below), whose sum is σ = 597480912. Its totient is φ = 83680000.

The previous prime is 253551541. The next prime is 253551619. The reversal of 253551612 is 216155352.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 253551612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253551619) 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, 103389 + ... + 105812.

It is an arithmetic number, because the mean of its divisors is an integer number (24895038).

Almost surely, 2^253551612 is an apocalyptic number.

It is an amenable number.

253551612 is an abundant number, since it is smaller than the sum of its proper divisors (343929300).

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

253551612 is a wasteful number, since it uses less digits than its factorization.

253551612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209309 (or 209307 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 253551612 is about 15923.3040541214. The cubic root of 253551612 is about 632.9296758075.

The spelling of 253551612 in words is "two hundred fifty-three million, five hundred fifty-one thousand, six hundred twelve".