250555313 has 2 divisors, whose sum is σ = 250555314. Its totient is φ = 250555312.

The previous prime is 250555303. The next prime is 250555321. The reversal of 250555313 is 313555052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235407649 + 15147664 = 15343^2 + 3892^2 .

It is a cyclic number.

It is not a de Polignac number, because 250555313 - 2¹⁶ = 250489777 is a prime.

It is not a weakly prime, because it can be changed into another prime (250555303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125277656 + 125277657.

It is an arithmetic number, because the mean of its divisors is an integer number (125277657).

Almost surely, 2^250555313 is an apocalyptic number.

It is an amenable number.

250555313 is a deficient number, since it is larger than the sum of its proper divisors (1).

250555313 is an equidigital number, since it uses as much as digits as its factorization.

250555313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 250555313 is about 15828.9390990047. The cubic root of 250555313 is about 630.4266137094.

The spelling of 250555313 in words is "two hundred fifty million, five hundred fifty-five thousand, three hundred thirteen".