635345 has 8 divisors (see below), whose sum is σ = 787200. Its totient is φ = 491760.

The previous prime is 635339. The next prime is 635347. The reversal of 635345 is 543536.

635345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 635345 - 2¹² = 631249 is a prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (635347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1895 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (98400).

2⁶³⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

635345 is a deficient number, since it is larger than the sum of its proper divisors (151855).

635345 is a wasteful number, since it uses less digits than its factorization.

635345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its digits is 5400, while the sum is 26.

The square root of 635345 is about 797.0853153835. The cubic root of 635345 is about 85.9679437043.

Subtracting from 635345 its reverse (543536), we obtain a square (91809 = 303²).

The spelling of 635345 in words is "six hundred thirty-five thousand, three hundred forty-five".