438750097 has 2 divisors, whose sum is σ = 438750098. Its totient is φ = 438750096.

The previous prime is 438750089. The next prime is 438750101. The reversal of 438750097 is 790057834.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393268561 + 45481536 = 19831^2 + 6744^2 .

It is a cyclic number.

It is not a de Polignac number, because 438750097 - 2³ = 438750089 is a prime.

It is not a weakly prime, because it can be changed into another prime (438750007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219375048 + 219375049.

It is an arithmetic number, because the mean of its divisors is an integer number (219375049).

Almost surely, 2^438750097 is an apocalyptic number.

It is an amenable number.

438750097 is a deficient number, since it is larger than the sum of its proper divisors (1).

438750097 is an equidigital number, since it uses as much as digits as its factorization.

438750097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 438750097 is about 20946.3623810914. The cubic root of 438750097 is about 759.8696088631.

The spelling of 438750097 in words is "four hundred thirty-eight million, seven hundred fifty thousand, ninety-seven".