249654313 has 2 divisors, whose sum is σ = 249654314. Its totient is φ = 249654312.

The previous prime is 249654277. The next prime is 249654323. The reversal of 249654313 is 313456942.

249654313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140493609 + 109160704 = 11853^2 + 10448^2 .

It is a cyclic number.

It is not a de Polignac number, because 249654313 - 2¹³ = 249646121 is a prime.

It is not a weakly prime, because it can be changed into another prime (249654323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124827156 + 124827157.

It is an arithmetic number, because the mean of its divisors is an integer number (124827157).

Almost surely, 2^249654313 is an apocalyptic number.

It is an amenable number.

249654313 is a deficient number, since it is larger than the sum of its proper divisors (1).

249654313 is an equidigital number, since it uses as much as digits as its factorization.

249654313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 249654313 is about 15800.4529365458. The cubic root of 249654313 is about 629.6700321282.

The spelling of 249654313 in words is "two hundred forty-nine million, six hundred fifty-four thousand, three hundred thirteen".