634537043 has 8 divisors (see below), whose sum is σ = 732662112. Its totient is φ = 538281216.

The previous prime is 634537037. The next prime is 634537049. The reversal of 634537043 is 340735436.

It is an interprime number because it is at equal distance from previous prime (634537037) and next prime (634537049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634537043 - 2⁶ = 634536979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634536994 and 634537012.

It is not an unprimeable number, because it can be changed into a prime (634537049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466580 + ... + 467937.

It is an arithmetic number, because the mean of its divisors is an integer number (91582764).

Almost surely, 2^634537043 is an apocalyptic number.

634537043 is a deficient number, since it is larger than the sum of its proper divisors (98125069).

634537043 is an equidigital number, since it uses as much as digits as its factorization.

634537043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934621.

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 634537043 is about 25190.0187177382. The cubic root of 634537043 is about 859.3148694157.

The spelling of 634537043 in words is "six hundred thirty-four million, five hundred thirty-seven thousand, forty-three".