230475551 has 2 divisors, whose sum is σ = 230475552. Its totient is φ = 230475550.

The previous prime is 230475547. The next prime is 230475593. The reversal of 230475551 is 155574032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230475551 - 2² = 230475547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230475541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115237775 + 115237776.

It is an arithmetic number, because the mean of its divisors is an integer number (115237776).

Almost surely, 2^230475551 is an apocalyptic number.

230475551 is a deficient number, since it is larger than the sum of its proper divisors (1).

230475551 is an equidigital number, since it uses as much as digits as its factorization.

230475551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 230475551 is about 15181.4212444026. The cubic root of 230475551 is about 613.1145472075.

The spelling of 230475551 in words is "two hundred thirty million, four hundred seventy-five thousand, five hundred fifty-one".