361051001 has 2 divisors, whose sum is σ = 361051002. Its totient is φ = 361051000.

The previous prime is 361050997. The next prime is 361051003. The reversal of 361051001 is 100150163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340439401 + 20611600 = 18451^2 + 4540^2 .

It is an emirp because it is prime and its reverse (100150163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361051001 - 2² = 361050997 is a prime.

Together with 361051003, 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 (361051003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180525500 + 180525501.

It is an arithmetic number, because the mean of its divisors is an integer number (180525501).

Almost surely, 2^361051001 is an apocalyptic number.

It is an amenable number.

361051001 is a deficient number, since it is larger than the sum of its proper divisors (1).

361051001 is an equidigital number, since it uses as much as digits as its factorization.

361051001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 361051001 is about 19001.3420841792. The cubic root of 361051001 is about 712.0702657845.

The spelling of 361051001 in words is "three hundred sixty-one million, fifty-one thousand, one".