253069806 has 48 divisors (see below), whose sum is σ = 566918352. Its totient is φ = 75229440.

The previous prime is 253069777. The next prime is 253069823. The reversal of 253069806 is 608960352.

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, 35190 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (11810799).

Almost surely, 2^253069806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253069806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283459176).

253069806 is an abundant number, since it is smaller than the sum of its proper divisors (313848546).

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

253069806 is a wasteful number, since it uses less digits than its factorization.

253069806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657 (or 6646 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 253069806 is about 15908.1679020558. The cubic root of 253069806 is about 632.5285179328.

The spelling of 253069806 in words is "two hundred fifty-three million, sixty-nine thousand, eight hundred six".