232437649 has 2 divisors, whose sum is σ = 232437650. Its totient is φ = 232437648.

The previous prime is 232437637. The next prime is 232437679. The reversal of 232437649 is 946734232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228161025 + 4276624 = 15105^2 + 2068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232437649 is a prime.

It is not a weakly prime, because it can be changed into another prime (232437619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116218824 + 116218825.

It is an arithmetic number, because the mean of its divisors is an integer number (116218825).

Almost surely, 2^232437649 is an apocalyptic number.

It is an amenable number.

232437649 is a deficient number, since it is larger than the sum of its proper divisors (1).

232437649 is an equidigital number, since it uses as much as digits as its factorization.

232437649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 232437649 is about 15245.9059750479. The cubic root of 232437649 is about 614.8495007064.

The spelling of 232437649 in words is "two hundred thirty-two million, four hundred thirty-seven thousand, six hundred forty-nine".