249701 has 4 divisors (see below), whose sum is σ = 255552. Its totient is φ = 243852.

The previous prime is 249677. The next prime is 249703. The reversal of 249701 is 107942.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249701.

It is not an unprimeable number, because it can be changed into a prime (249703) 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, 2861 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (63888).

2²⁴⁹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

249701 is a deficient number, since it is larger than the sum of its proper divisors (5851).

249701 is an equidigital number, since it uses as much as digits as its factorization.

249701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 249701 is about 499.7009105455. The cubic root of 249701 is about 62.9709280495.

The spelling of 249701 in words is "two hundred forty-nine thousand, seven hundred one".