361402001 has 2 divisors, whose sum is σ = 361402002. Its totient is φ = 361402000.

The previous prime is 361401991. The next prime is 361402039. The reversal of 361402001 is 100204163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321269776 + 40132225 = 17924^2 + 6335^2 .

It is an emirp because it is prime and its reverse (100204163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361402001 is a prime.

It is a super-2 number, since 2×361402001² = 261222812653608002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361402091) 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, 180701000 + 180701001.

It is an arithmetic number, because the mean of its divisors is an integer number (180701001).

Almost surely, 2^361402001 is an apocalyptic number.

It is an amenable number.

361402001 is a deficient number, since it is larger than the sum of its proper divisors (1).

361402001 is an equidigital number, since it uses as much as digits as its factorization.

361402001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 361402001 is about 19010.5760301996. The cubic root of 361402001 is about 712.3009402260.

Adding to 361402001 its reverse (100204163), we get a palindrome (461606164).

The spelling of 361402001 in words is "three hundred sixty-one million, four hundred two thousand, one".