2405258 has 4 divisors (see below), whose sum is σ = 3607890. Its totient is φ = 1202628.

The previous prime is 2405251. The next prime is 2405261. The reversal of 2405258 is 8525042.

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., 2181529 + 223729 = 1477^2 + 473^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2405251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601313 + ... + 601316.

2^2405258 is an apocalyptic number.

2405258 is a deficient number, since it is larger than the sum of its proper divisors (1202632).

2405258 is a wasteful number, since it uses less digits than its factorization.

2405258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202631.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2405258 is about 1550.8894222349. The cubic root of 2405258 is about 133.9842931022.

The spelling of 2405258 in words is "two million, four hundred five thousand, two hundred fifty-eight".