250576493 has 2 divisors, whose sum is σ = 250576494. Its totient is φ = 250576492.

The previous prime is 250576489. The next prime is 250576531. The reversal of 250576493 is 394675052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150136009 + 100440484 = 12253^2 + 10022^2 .

It is a cyclic number.

It is not a de Polignac number, because 250576493 - 2² = 250576489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250576493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250576433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125288246 + 125288247.

It is an arithmetic number, because the mean of its divisors is an integer number (125288247).

Almost surely, 2^250576493 is an apocalyptic number.

It is an amenable number.

250576493 is a deficient number, since it is larger than the sum of its proper divisors (1).

250576493 is an equidigital number, since it uses as much as digits as its factorization.

250576493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 250576493 is about 15829.6081126476. The cubic root of 250576493 is about 630.4443769986. Note that the first 3 decimals are identical.

The spelling of 250576493 in words is "two hundred fifty million, five hundred seventy-six thousand, four hundred ninety-three".