250243493 has 2 divisors, whose sum is σ = 250243494. Its totient is φ = 250243492.

The previous prime is 250243457. The next prime is 250243537. The reversal of 250243493 is 394342052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149401729 + 100841764 = 12223^2 + 10042^2 .

It is a cyclic number.

It is not a de Polignac number, because 250243493 - 2⁸ = 250243237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250243403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125121746 + 125121747.

It is an arithmetic number, because the mean of its divisors is an integer number (125121747).

Almost surely, 2^250243493 is an apocalyptic number.

It is an amenable number.

250243493 is a deficient number, since it is larger than the sum of its proper divisors (1).

250243493 is an equidigital number, since it uses as much as digits as its factorization.

250243493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 250243493 is about 15819.0863516197. The cubic root of 250243493 is about 630.1649798881.

The spelling of 250243493 in words is "two hundred fifty million, two hundred forty-three thousand, four hundred ninety-three".