230241551 has 2 divisors, whose sum is σ = 230241552. Its totient is φ = 230241550.

The previous prime is 230241533. The next prime is 230241559. The reversal of 230241551 is 155142032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230241551 is a prime.

It is a super-2 number, since 2×230241551² = 106022343613771202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230241559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115120775 + 115120776.

It is an arithmetic number, because the mean of its divisors is an integer number (115120776).

Almost surely, 2^230241551 is an apocalyptic number.

230241551 is a deficient number, since it is larger than the sum of its proper divisors (1).

230241551 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 230241551 = (531214025)₉.

230241551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230241551 is about 15173.7124989239. The cubic root of 230241551 is about 612.9069801647.

Adding to 230241551 its reverse (155142032), we get a palindrome (385383583).

The spelling of 230241551 in words is "two hundred thirty million, two hundred forty-one thousand, five hundred fifty-one".