249677 has 2 divisors, whose sum is σ = 249678. Its totient is φ = 249676.

The previous prime is 249671. The next prime is 249703. The reversal of 249677 is 776942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 676 = 499^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 249677 - 2⁸ = 249421 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4 + 6³ + 9³ + 7 + 7⁶ .

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 249677.

It is not a weakly prime, because it can be changed into another prime (249671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124838 + 124839.

It is an arithmetic number, because the mean of its divisors is an integer number (124839).

2²⁴⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

249677 is a deficient number, since it is larger than the sum of its proper divisors (1).

249677 is an equidigital number, since it uses as much as digits as its factorization.

249677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 249677 is about 499.6768956035. The cubic root of 249677 is about 62.9689105023.

The spelling of 249677 in words is "two hundred forty-nine thousand, six hundred seventy-seven".