Search a number
-
+
25760863 is a prime number
BaseRepresentation
bin110001001000…
…1010001011111
31210110210021001
41202101101133
523043321423
62320051131
7431651362
oct142212137
953423231
1025760863
11135a5577
128763aa7
13544c61b
1435c80d9
1523dccad
hex189145f

25760863 has 2 divisors, whose sum is σ = 25760864. Its totient is φ = 25760862.

The previous prime is 25760837. The next prime is 25760869. The reversal of 25760863 is 36806752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25760863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25760869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12880431 + 12880432.

It is an arithmetic number, because the mean of its divisors is an integer number (12880432).

Almost surely, 225760863 is an apocalyptic number.

25760863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25760863 is an equidigital number, since it uses as much as digits as its factorization.

25760863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25760863 is about 5075.5160328778. The cubic root of 25760863 is about 295.3385484129.

The spelling of 25760863 in words is "twenty-five million, seven hundred sixty thousand, eight hundred sixty-three".