249746953 has 2 divisors, whose sum is σ = 249746954. Its totient is φ = 249746952.

The previous prime is 249746951. The next prime is 249747011. The reversal of 249746953 is 359647942.

249746953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233722944 + 16024009 = 15288^2 + 4003^2 .

It is a cyclic number.

It is not a de Polignac number, because 249746953 - 2¹ = 249746951 is a prime.

Together with 249746951, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 249746897 and 249746906.

It is not a weakly prime, because it can be changed into another prime (249746951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124873476 + 124873477.

It is an arithmetic number, because the mean of its divisors is an integer number (124873477).

Almost surely, 2^249746953 is an apocalyptic number.

It is an amenable number.

249746953 is a deficient number, since it is larger than the sum of its proper divisors (1).

249746953 is an equidigital number, since it uses as much as digits as its factorization.

249746953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 249746953 is about 15803.3842261713. The cubic root of 249746953 is about 629.7479070336.

The spelling of 249746953 in words is "two hundred forty-nine million, seven hundred forty-six thousand, nine hundred fifty-three".