10155601 has 2 divisors, whose sum is σ = 10155602. Its totient is φ = 10155600.

The previous prime is 10155599. The next prime is 10155617. The reversal of 10155601 is 10655101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 421201 = 3120^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 10155601 - 2¹ = 10155599 is a prime.

Together with 10155599, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10155401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077800 + 5077801.

It is an arithmetic number, because the mean of its divisors is an integer number (5077801).

Almost surely, 2^10155601 is an apocalyptic number.

10155601 is the 2016-th centered pentagonal number.

It is an amenable number.

10155601 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155601 is an equidigital number, since it uses as much as digits as its factorization.

10155601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 10155601 is about 3186.7853708714. The cubic root of 10155601 is about 216.5551634027. Note that the first 3 decimals are identical.

Subtracting 10155601 from its reverse (10655101), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 10155601 in words is "ten million, one hundred fifty-five thousand, six hundred one".