403258 has 4 divisors (see below), whose sum is σ = 604890. Its totient is φ = 201628.

The previous prime is 403253. The next prime is 403261. The reversal of 403258 is 852304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 388129 + 15129 = 623^2 + 123^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (403253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100813 + ... + 100816.

2⁴⁰³²⁵⁸ is an apocalyptic number.

403258 is a deficient number, since it is larger than the sum of its proper divisors (201632).

403258 is a wasteful number, since it uses less digits than its factorization.

403258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201631.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 403258 is about 635.0259837204. The cubic root of 403258 is about 73.8801322110.

The spelling of 403258 in words is "four hundred three thousand, two hundred fifty-eight".