424330253 has 2 divisors, whose sum is σ = 424330254. Its totient is φ = 424330252.

The previous prime is 424330223. The next prime is 424330261. The reversal of 424330253 is 352033424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422836969 + 1493284 = 20563^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 424330253 - 2²⁸ = 155894797 is a prime.

It is a super-2 number, since 2×424330253² = 360112327222088018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424330223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212165126 + 212165127.

It is an arithmetic number, because the mean of its divisors is an integer number (212165127).

Almost surely, 2^424330253 is an apocalyptic number.

It is an amenable number.

424330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

424330253 is an equidigital number, since it uses as much as digits as its factorization.

424330253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 424330253 is about 20599.2779727834. The cubic root of 424330253 is about 751.4521512684.

Adding to 424330253 its reverse (352033424), we get a palindrome (776363677).

The spelling of 424330253 in words is "four hundred twenty-four million, three hundred thirty thousand, two hundred fifty-three".