363151421 has 8 divisors (see below), whose sum is σ = 368790840. Its totient is φ = 357530112.

The previous prime is 363151409. The next prime is 363151423. The reversal of 363151421 is 124151363.

It can be written as a sum of positive squares in 4 ways, for example, as 147355321 + 215796100 = 12139^2 + 14690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 363151421 - 2¹⁸ = 362889277 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 (363151423) 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 in 7 ways as a sum of consecutive naturals, for example, 39095 + ... + 47483.

It is an arithmetic number, because the mean of its divisors is an integer number (46098855).

Almost surely, 2^363151421 is an apocalyptic number.

It is an amenable number.

363151421 is a deficient number, since it is larger than the sum of its proper divisors (5639419).

363151421 is an equidigital number, since it uses as much as digits as its factorization.

363151421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055.

The product of its digits is 2160, while the sum is 26.

The square root of 363151421 is about 19056.5322396285. The cubic root of 363151421 is about 713.4484234824.

The spelling of 363151421 in words is "three hundred sixty-three million, one hundred fifty-one thousand, four hundred twenty-one".