361071613 has 4 divisors (see below), whose sum is σ = 412653280. Its totient is φ = 309489948.

The previous prime is 361071593. The next prime is 361071617. The reversal of 361071613 is 316170163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316170163 = 5303 ⋅59621.

It is a cyclic number.

It is not a de Polignac number, because 361071613 - 2⁹ = 361071101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361071617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25790823 + ... + 25790836.

It is an arithmetic number, because the mean of its divisors is an integer number (103163320).

Almost surely, 2^361071613 is an apocalyptic number.

It is an amenable number.

361071613 is a deficient number, since it is larger than the sum of its proper divisors (51581667).

361071613 is an equidigital number, since it uses as much as digits as its factorization.

361071613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51581666.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 361071613 is about 19001.8844591793. The cubic root of 361071613 is about 712.0838159598.

The spelling of 361071613 in words is "three hundred sixty-one million, seventy-one thousand, six hundred thirteen".