361356481 has 2 divisors, whose sum is σ = 361356482. Its totient is φ = 361356480.

The previous prime is 361356469. The next prime is 361356503. The reversal of 361356481 is 184653163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361342081 + 14400 = 19009^2 + 120^2 .

It is an emirp because it is prime and its reverse (184653163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361356481 - 2¹⁹ = 360832193 is a prime.

It is a super-2 number, since 2×361356481² = 261157012721406722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361356481.

It is not a weakly prime, because it can be changed into another prime (361356451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180678240 + 180678241.

It is an arithmetic number, because the mean of its divisors is an integer number (180678241).

Almost surely, 2^361356481 is an apocalyptic number.

It is an amenable number.

361356481 is a deficient number, since it is larger than the sum of its proper divisors (1).

361356481 is an equidigital number, since it uses as much as digits as its factorization.

361356481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 361356481 is about 19009.3787641785. The cubic root of 361356481 is about 712.2710332710.

The spelling of 361356481 in words is "three hundred sixty-one million, three hundred fifty-six thousand, four hundred eighty-one".