361607489 has 2 divisors, whose sum is σ = 361607490. Its totient is φ = 361607488.

The previous prime is 361607479. The next prime is 361607497. The reversal of 361607489 is 984706163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283585600 + 78021889 = 16840^2 + 8833^2 .

It is a cyclic number.

It is not a de Polignac number, because 361607489 - 2¹² = 361603393 is a prime.

It is a super-2 number, since 2×361607489² = 261519952201770242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361607419) 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, 180803744 + 180803745.

It is an arithmetic number, because the mean of its divisors is an integer number (180803745).

Almost surely, 2^361607489 is an apocalyptic number.

It is an amenable number.

361607489 is a deficient number, since it is larger than the sum of its proper divisors (1).

361607489 is an equidigital number, since it uses as much as digits as its factorization.

361607489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 361607489 is about 19015.9798327617. The cubic root of 361607489 is about 712.4359160174.

It can be divided in two parts, 3616074 and 89, that added together give a palindrome (3616163).

The spelling of 361607489 in words is "three hundred sixty-one million, six hundred seven thousand, four hundred eighty-nine".