253473012 has 72 divisors (see below), whose sum is σ = 696261384. Its totient is φ = 77285376.

The previous prime is 253472983. The next prime is 253473037. The reversal of 253473012 is 210374352.

It can be written as a sum of positive squares in 4 ways, for example, as 1425636 + 252047376 = 1194^2 + 15876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50488 + ... + 55280.

It is an arithmetic number, because the mean of its divisors is an integer number (9670297).

Almost surely, 2^253473012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253473012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348130692).

253473012 is an abundant number, since it is smaller than the sum of its proper divisors (442788372).

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

253473012 is a wasteful number, since it uses less digits than its factorization.

253473012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 253473012 is about 15920.8357820813. The cubic root of 253473012 is about 632.8642671469.

The spelling of 253473012 in words is "two hundred fifty-three million, four hundred seventy-three thousand, twelve".