361897201 has 8 divisors (see below), whose sum is σ = 376804008. Its totient is φ = 347280000.

The previous prime is 361897169. The next prime is 361897213. The reversal of 361897201 is 102798163.

It can be written as a sum of positive squares in 4 ways, for example, as 14447601 + 347449600 = 3801^2 + 18640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361897201 - 2⁵ = 361897169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361897301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69850 + ... + 74851.

It is an arithmetic number, because the mean of its divisors is an integer number (47100501).

Almost surely, 2^361897201 is an apocalyptic number.

It is an amenable number.

361897201 is a deficient number, since it is larger than the sum of its proper divisors (14906807).

361897201 is a wasteful number, since it uses less digits than its factorization.

361897201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144803.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 361897201 is about 19023.5959008806. The cubic root of 361897201 is about 712.6261279124.

The spelling of 361897201 in words is "three hundred sixty-one million, eight hundred ninety-seven thousand, two hundred one".