256010101 has 2 divisors, whose sum is σ = 256010102. Its totient is φ = 256010100.

The previous prime is 256010093. The next prime is 256010113. The reversal of 256010101 is 101010652.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187964100 + 68046001 = 13710^2 + 8249^2 .

It is a cyclic number.

It is not a de Polignac number, because 256010101 - 2³ = 256010093 is a prime.

256010101 is a modest number, since divided by 10101 gives 256 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256010501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128005050 + 128005051.

It is an arithmetic number, because the mean of its divisors is an integer number (128005051).

Almost surely, 2^256010101 is an apocalyptic number.

It is an amenable number.

256010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

256010101 is an equidigital number, since it uses as much as digits as its factorization.

256010101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 256010101 is about 16000.3156531363. The cubic root of 256010101 is about 634.9687718952.

Adding to 256010101 its reverse (101010652), we get a palindrome (357020753).

The spelling of 256010101 in words is "two hundred fifty-six million, ten thousand, one hundred one".