356461397 has 2 divisors, whose sum is σ = 356461398. Its totient is φ = 356461396.

The previous prime is 356461379. The next prime is 356461433. The reversal of 356461397 is 793164653.

It is a happy number.

Together with previous prime (356461379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190412401 + 166048996 = 13799^2 + 12886^2 .

It is an emirp because it is prime and its reverse (793164653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 356461397 - 2¹² = 356457301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356461327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178230698 + 178230699.

It is an arithmetic number, because the mean of its divisors is an integer number (178230699).

Almost surely, 2^356461397 is an apocalyptic number.

It is an amenable number.

356461397 is a deficient number, since it is larger than the sum of its proper divisors (1).

356461397 is an equidigital number, since it uses as much as digits as its factorization.

356461397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 356461397 is about 18880.1853009974. The cubic root of 356461397 is about 709.0401610360.

The spelling of 356461397 in words is "three hundred fifty-six million, four hundred sixty-one thousand, three hundred ninety-seven".