361398451 has 2 divisors, whose sum is σ = 361398452. Its totient is φ = 361398450.

The previous prime is 361398431. The next prime is 361398481. The reversal of 361398451 is 154893163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361398451 - 2¹¹ = 361396403 is a prime.

It is not a weakly prime, because it can be changed into another prime (361398431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180699225 + 180699226.

It is an arithmetic number, because the mean of its divisors is an integer number (180699226).

Almost surely, 2^361398451 is an apocalyptic number.

361398451 is a deficient number, since it is larger than the sum of its proper divisors (1).

361398451 is an equidigital number, since it uses as much as digits as its factorization.

361398451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 361398451 is about 19010.4826608900. The cubic root of 361398451 is about 712.2986079418.

The spelling of 361398451 in words is "three hundred sixty-one million, three hundred ninety-eight thousand, four hundred fifty-one".