230005251 has 40 divisors (see below), whose sum is σ = 394583904. Its totient is φ = 130792320.

The previous prime is 230005247. The next prime is 230005271. The reversal of 230005251 is 152500032.

It is a happy number.

230005251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230005251 - 2² = 230005247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230005211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131241 + ... + 132981.

Almost surely, 2^230005251 is an apocalyptic number.

230005251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230005251 is a deficient number, since it is larger than the sum of its proper divisors (164578653).

230005251 is a wasteful number, since it uses less digits than its factorization.

230005251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 230005251 is about 15165.9240074583. The cubic root of 230005251 is about 612.6972301666.

Adding to 230005251 its reverse (152500032), we get a palindrome (382505283).

The spelling of 230005251 in words is "two hundred thirty million, five thousand, two hundred fifty-one".