231252606 has 48 divisors (see below), whose sum is σ = 542702160. Its totient is φ = 70744320.

The previous prime is 231252599. The next prime is 231252611. The reversal of 231252606 is 606252132.

231252606 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 52 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 231252606.

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, 39126 + ... + 44646.

It is an arithmetic number, because the mean of its divisors is an integer number (11306295).

Almost surely, 2^231252606 is an apocalyptic number.

231252606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 231252606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271351080).

231252606 is an abundant number, since it is smaller than the sum of its proper divisors (311449554).

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

231252606 is a wasteful number, since it uses less digits than its factorization.

231252606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5718 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 231252606 is about 15206.9920102563. The cubic root of 231252606 is about 613.8028187654.

The spelling of 231252606 in words is "two hundred thirty-one million, two hundred fifty-two thousand, six hundred six".