1634313 has 4 divisors (see below), whose sum is σ = 2179088. Its totient is φ = 1089540.

The previous prime is 1634309. The next prime is 1634317. The reversal of 1634313 is 3134361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1634309) and next prime (1634317).

It is not a de Polignac number, because 1634313 - 2² = 1634309 is a prime.

It is a D-number.

It is a Duffinian number.

1634313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1634313.

It is not an unprimeable number, because it can be changed into a prime (1634317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272383 + ... + 272388.

It is an arithmetic number, because the mean of its divisors is an integer number (544772).

2^1634313 is an apocalyptic number.

It is an amenable number.

1634313 is a deficient number, since it is larger than the sum of its proper divisors (544775).

1634313 is an equidigital number, since it uses as much as digits as its factorization.

1634313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544774.

The product of its digits is 648, while the sum is 21.

The square root of 1634313 is about 1278.4025187710. The cubic root of 1634313 is about 117.7909013566.

Adding to 1634313 its reverse (3134361), we get a palindrome (4768674).

The spelling of 1634313 in words is "one million, six hundred thirty-four thousand, three hundred thirteen".