361225402 has 4 divisors (see below), whose sum is σ = 541838106. Its totient is φ = 180612700.

The previous prime is 361225391. The next prime is 361225411. The reversal of 361225402 is 204522163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 327573801 + 33651601 = 18099^2 + 5801^2 .

It is an unprimeable number.

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, 90306349 + ... + 90306352.

Almost surely, 2^361225402 is an apocalyptic number.

361225402 is a deficient number, since it is larger than the sum of its proper divisors (180612704).

361225402 is a wasteful number, since it uses less digits than its factorization.

361225402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180612703.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 361225402 is about 19005.9307059665. The cubic root of 361225402 is about 712.1848994291.

Adding to 361225402 its reverse (204522163), we get a palindrome (565747565).

The spelling of 361225402 in words is "three hundred sixty-one million, two hundred twenty-five thousand, four hundred two".