465237389 has 2 divisors, whose sum is σ = 465237390. Its totient is φ = 465237388.

The previous prime is 465237329. The next prime is 465237403. The reversal of 465237389 is 983732564.

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., 303108100 + 162129289 = 17410^2 + 12733^2 .

It is a cyclic number.

It is not a de Polignac number, because 465237389 - 2²⁸ = 196801933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465237319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232618694 + 232618695.

It is an arithmetic number, because the mean of its divisors is an integer number (232618695).

Almost surely, 2^465237389 is an apocalyptic number.

It is an amenable number.

465237389 is a deficient number, since it is larger than the sum of its proper divisors (1).

465237389 is an equidigital number, since it uses as much as digits as its factorization.

465237389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 465237389 is about 21569.3622761546. The cubic root of 465237389 is about 774.8629040880.

The spelling of 465237389 in words is "four hundred sixty-five million, two hundred thirty-seven thousand, three hundred eighty-nine".