249058 has 4 divisors (see below), whose sum is σ = 373590. Its totient is φ = 124528.

The previous prime is 249037. The next prime is 249059. The reversal of 249058 is 850942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850942 = 2 ⋅425471.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 106929 = 377^2 + 327^2 .

It is not an unprimeable number, because it can be changed into a prime (249059) by changing a digit.

249058 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62263 + ... + 62266.

2²⁴⁹⁰⁵⁸ is an apocalyptic number.

249058 is a deficient number, since it is larger than the sum of its proper divisors (124532).

249058 is a wasteful number, since it uses less digits than its factorization.

249058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124531.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 249058 is about 499.0571109603. The cubic root of 249058 is about 62.9168298657.

The spelling of 249058 in words is "two hundred forty-nine thousand, fifty-eight".