Search a number
-
+
253324469 is a prime number
BaseRepresentation
bin11110001100101…
…10110010110101
3122122200012211202
433012112302311
51004322340334
641045342245
76164136206
oct1706266265
9578605752
10253324469
1111aaa4472
1270a07985
1340637948
14259035ad
151738e17e
hexf196cb5

253324469 has 2 divisors, whose sum is σ = 253324470. Its totient is φ = 253324468.

The previous prime is 253324457. The next prime is 253324537. The reversal of 253324469 is 964423352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193571569 + 59752900 = 13913^2 + 7730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253324469 is a prime.

It is a super-2 number, since 2×2533244692 = 128346573188263922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253321469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126662234 + 126662235.

It is an arithmetic number, because the mean of its divisors is an integer number (126662235).

Almost surely, 2253324469 is an apocalyptic number.

It is an amenable number.

253324469 is a deficient number, since it is larger than the sum of its proper divisors (1).

253324469 is an equidigital number, since it uses as much as digits as its factorization.

253324469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 253324469 is about 15916.1700480989. The cubic root of 253324469 is about 632.7406169986.

The spelling of 253324469 in words is "two hundred fifty-three million, three hundred twenty-four thousand, four hundred sixty-nine".