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52611901 is a prime number
BaseRepresentation
bin1100100010110…
…0101100111101
310122222221221221
43020230230331
5101432040101
65115353341
71206123316
oct310545475
9118887857
1052611901
1127775111
1215752851
13ab91204
146db760d
154943aa1
hex322cb3d

52611901 has 2 divisors, whose sum is σ = 52611902. Its totient is φ = 52611900.

The previous prime is 52611899. The next prime is 52611907. The reversal of 52611901 is 10911625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 22372900 = 5499^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 52611901 - 21 = 52611899 is a prime.

Together with 52611899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52611907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26305950 + 26305951.

It is an arithmetic number, because the mean of its divisors is an integer number (26305951).

Almost surely, 252611901 is an apocalyptic number.

It is an amenable number.

52611901 is a deficient number, since it is larger than the sum of its proper divisors (1).

52611901 is an equidigital number, since it uses as much as digits as its factorization.

52611901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 52611901 is about 7253.4061653819. The cubic root of 52611901 is about 374.7094662244.

The spelling of 52611901 in words is "fifty-two million, six hundred eleven thousand, nine hundred one".