249693001 has 2 divisors, whose sum is σ = 249693002. Its totient is φ = 249693000.

The previous prime is 249692981. The next prime is 249693011. The reversal of 249693001 is 100396942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248535225 + 1157776 = 15765^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 249693001 - 2¹⁵ = 249660233 is a prime.

It is not a weakly prime, because it can be changed into another prime (249693011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124846500 + 124846501.

It is an arithmetic number, because the mean of its divisors is an integer number (124846501).

Almost surely, 2^249693001 is an apocalyptic number.

It is an amenable number.

249693001 is a deficient number, since it is larger than the sum of its proper divisors (1).

249693001 is an equidigital number, since it uses as much as digits as its factorization.

249693001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 249693001 is about 15801.6771578209. The cubic root of 249693001 is about 629.7025563222.

The spelling of 249693001 in words is "two hundred forty-nine million, six hundred ninety-three thousand, one".