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2247461 is a prime number
BaseRepresentation
bin1000100100101100100101
311020011221022
420210230211
51033404321
6120100525
725050236
oct10445445
94204838
102247461
1112a5607
12904745
13608c78
1442708d
152e5dab
hex224b25

2247461 has 2 divisors, whose sum is σ = 2247462. Its totient is φ = 2247460.

The previous prime is 2247449. The next prime is 2247463. The reversal of 2247461 is 1647422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 1050625 = 1094^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247461 - 26 = 2247397 is a prime.

It is a Sophie Germain prime.

Together with 2247463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2247461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123730 + 1123731.

It is an arithmetic number, because the mean of its divisors is an integer number (1123731).

22247461 is an apocalyptic number.

It is an amenable number.

2247461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247461 is an equidigital number, since it uses as much as digits as its factorization.

2247461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 2247461 is about 1499.1534277718. The cubic root of 2247461 is about 130.9877618076.

The spelling of 2247461 in words is "two million, two hundred forty-seven thousand, four hundred sixty-one".