361225403 has 12 divisors (see below), whose sum is σ = 458401752. Its totient is φ = 281473920.

The previous prime is 361225391. The next prime is 361225411. The reversal of 361225403 is 304522163.

It is not a de Polignac number, because 361225403 - 2¹⁸ = 360963259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361225433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334550 + ... + 335627.

It is an arithmetic number, because the mean of its divisors is an integer number (38200146).

Almost surely, 2^361225403 is an apocalyptic number.

361225403 is a deficient number, since it is larger than the sum of its proper divisors (97176349).

361225403 is a wasteful number, since it uses less digits than its factorization.

361225403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670202 (or 670195 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 361225403 is about 19005.9307322741. The cubic root of 361225403 is about 712.1849000863.

Adding to 361225403 its reverse (304522163), we get a palindrome (665747566).

The spelling of 361225403 in words is "three hundred sixty-one million, two hundred twenty-five thousand, four hundred three".