361628497 has 4 divisors (see below), whose sum is σ = 362053300. Its totient is φ = 361203696.

The previous prime is 361628467. The next prime is 361628503. The reversal of 361628497 is 794826163.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110754576 + 250873921 = 10524^2 + 15839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361628497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361628447) 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, 211122 + ... + 212827.

It is an arithmetic number, because the mean of its divisors is an integer number (90513325).

Almost surely, 2^361628497 is an apocalyptic number.

It is an amenable number.

361628497 is a deficient number, since it is larger than the sum of its proper divisors (424803).

361628497 is an equidigital number, since it uses as much as digits as its factorization.

361628497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424802.

The product of its digits is 435456, while the sum is 46.

The square root of 361628497 is about 19016.5322022707. The cubic root of 361628497 is about 712.4497123429.

The spelling of 361628497 in words is "three hundred sixty-one million, six hundred twenty-eight thousand, four hundred ninety-seven".