634045351 has 2 divisors, whose sum is σ = 634045352. Its totient is φ = 634045350.

The previous prime is 634045343. The next prime is 634045367. The reversal of 634045351 is 153540436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634045351 - 2³ = 634045343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634045381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317022675 + 317022676.

It is an arithmetic number, because the mean of its divisors is an integer number (317022676).

Almost surely, 2^634045351 is an apocalyptic number.

634045351 is a deficient number, since it is larger than the sum of its proper divisors (1).

634045351 is an equidigital number, since it uses as much as digits as its factorization.

634045351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 634045351 is about 25180.2571670744. The cubic root of 634045351 is about 859.0928558850.

Adding to 634045351 its reverse (153540436), we get a palindrome (787585787).

The spelling of 634045351 in words is "six hundred thirty-four million, forty-five thousand, three hundred fifty-one".