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63090913 is a prime number
BaseRepresentation
bin1111000010101…
…1000011100001
311101201100110111
43300223003201
5112122402123
610132131321
71364156344
oct360530341
9141640414
1063090913
1132682156
1219166b41
13100bcb02
14854445b
15581390d
hex3c2b0e1

63090913 has 2 divisors, whose sum is σ = 63090914. Its totient is φ = 63090912.

The previous prime is 63090889. The next prime is 63090953. The reversal of 63090913 is 31909036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50580544 + 12510369 = 7112^2 + 3537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63090913 is a prime.

It is not a weakly prime, because it can be changed into another prime (63090953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31545456 + 31545457.

It is an arithmetic number, because the mean of its divisors is an integer number (31545457).

Almost surely, 263090913 is an apocalyptic number.

It is an amenable number.

63090913 is a deficient number, since it is larger than the sum of its proper divisors (1).

63090913 is an equidigital number, since it uses as much as digits as its factorization.

63090913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 63090913 is about 7942.9788492731. The cubic root of 63090913 is about 398.0970298684.

Adding to 63090913 its reverse (31909036), we get a palindrome (94999949).

The spelling of 63090913 in words is "sixty-three million, ninety thousand, nine hundred thirteen".