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1269253 is a prime number
BaseRepresentation
bin100110101111000000101
32101111002101
410311320011
5311104003
643112101
713534306
oct4657005
92344071
101269253
11797677
12512631
1335594b
142507ad
151a111d
hex135e05

1269253 has 2 divisors, whose sum is σ = 1269254. Its totient is φ = 1269252.

The previous prime is 1269241. The next prime is 1269263. The reversal of 1269253 is 3529621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 567009 = 838^2 + 753^2 .

It is an emirp because it is prime and its reverse (3529621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1269253 - 25 = 1269221 is a prime.

It is a super-2 number, since 2×12692532 = 3222006356018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1269223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634626 + 634627.

It is an arithmetic number, because the mean of its divisors is an integer number (634627).

21269253 is an apocalyptic number.

It is an amenable number.

1269253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1269253 is an equidigital number, since it uses as much as digits as its factorization.

1269253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 1269253 is about 1126.6112905523. The cubic root of 1269253 is about 108.2719768275.

The spelling of 1269253 in words is "one million, two hundred sixty-nine thousand, two hundred fifty-three".