42892901 has 2 divisors, whose sum is σ = 42892902. Its totient is φ = 42892900.

The previous prime is 42892897. The next prime is 42892903. The reversal of 42892901 is 10929824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 2265025 = 6374^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 42892901 - 2² = 42892897 is a prime.

It is a Sophie Germain prime.

Together with 42892903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42892903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21446450 + 21446451.

It is an arithmetic number, because the mean of its divisors is an integer number (21446451).

Almost surely, 2^42892901 is an apocalyptic number.

It is an amenable number.

42892901 is a deficient number, since it is larger than the sum of its proper divisors (1).

42892901 is an equidigital number, since it uses as much as digits as its factorization.

42892901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 42892901 is about 6549.2672109176. The cubic root of 42892901 is about 350.0487034266.

The spelling of 42892901 in words is "forty-two million, eight hundred ninety-two thousand, nine hundred one".