204100957 has 2 divisors, whose sum is σ = 204100958. Its totient is φ = 204100956.

The previous prime is 204100951. The next prime is 204100987. The reversal of 204100957 is 759001402.

It is a happy number.

204100957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202179961 + 1920996 = 14219^2 + 1386^2 .

It is a cyclic number.

It is not a de Polignac number, because 204100957 - 2¹⁹ = 203576669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204100951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102050478 + 102050479.

It is an arithmetic number, because the mean of its divisors is an integer number (102050479).

Almost surely, 2^204100957 is an apocalyptic number.

It is an amenable number.

204100957 is a deficient number, since it is larger than the sum of its proper divisors (1).

204100957 is an equidigital number, since it uses as much as digits as its factorization.

204100957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 204100957 is about 14286.3906218471. The cubic root of 204100957 is about 588.7736251776.

The spelling of 204100957 in words is "two hundred four million, one hundred thousand, nine hundred fifty-seven".