233015137 has 2 divisors, whose sum is σ = 233015138. Its totient is φ = 233015136.

The previous prime is 233015033. The next prime is 233015227. The reversal of 233015137 is 731510332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163942416 + 69072721 = 12804^2 + 8311^2 .

It is a cyclic number.

It is not a de Polignac number, because 233015137 - 2⁷ = 233015009 is a prime.

It is a super-2 number, since 2×233015137² = 108592108142257538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233015837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116507568 + 116507569.

It is an arithmetic number, because the mean of its divisors is an integer number (116507569).

Almost surely, 2^233015137 is an apocalyptic number.

It is an amenable number.

233015137 is a deficient number, since it is larger than the sum of its proper divisors (1).

233015137 is an equidigital number, since it uses as much as digits as its factorization.

233015137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 233015137 is about 15264.8333433418. The cubic root of 233015137 is about 615.3582745091.

Adding to 233015137 its reverse (731510332), we get a palindrome (964525469).

The spelling of 233015137 in words is "two hundred thirty-three million, fifteen thousand, one hundred thirty-seven".