904142201 has 2 divisors, whose sum is σ = 904142202. Its totient is φ = 904142200.

The previous prime is 904142177. The next prime is 904142231. The reversal of 904142201 is 102241409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735765625 + 168376576 = 27125^2 + 12976^2 .

It is an emirp because it is prime and its reverse (102241409) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904142201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (904142231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452071100 + 452071101.

It is an arithmetic number, because the mean of its divisors is an integer number (452071101).

Almost surely, 2^904142201 is an apocalyptic number.

It is an amenable number.

904142201 is a deficient number, since it is larger than the sum of its proper divisors (1).

904142201 is an equidigital number, since it uses as much as digits as its factorization.

904142201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 904142201 is about 30068.9574312113. The cubic root of 904142201 is about 966.9683221201.

The spelling of 904142201 in words is "nine hundred four million, one hundred forty-two thousand, two hundred one".