250221053 has 2 divisors, whose sum is σ = 250221054. Its totient is φ = 250221052.

The previous prime is 250221031. The next prime is 250221061. The reversal of 250221053 is 350122052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181629529 + 68591524 = 13477^2 + 8282^2 .

It is a cyclic number.

It is not a de Polignac number, because 250221053 - 2¹⁶ = 250155517 is a prime.

It is a super-2 number, since 2×250221053² = 125221150728857618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250221953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125110526 + 125110527.

It is an arithmetic number, because the mean of its divisors is an integer number (125110527).

Almost surely, 2^250221053 is an apocalyptic number.

It is an amenable number.

250221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

250221053 is an equidigital number, since it uses as much as digits as its factorization.

250221053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 250221053 is about 15818.3770659319. The cubic root of 250221053 is about 630.1461431348.

Subtracting 250221053 from its reverse (350122052), we obtain a palindrome (99900999).

The spelling of 250221053 in words is "two hundred fifty million, two hundred twenty-one thousand, fifty-three".