1478397341 has 2 divisors, whose sum is σ = 1478397342. Its totient is φ = 1478397340.

The previous prime is 1478397313. The next prime is 1478397359. The reversal of 1478397341 is 1437938741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437168100 + 41229241 = 37910^2 + 6421^2 .

It is an emirp because it is prime and its reverse (1437938741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1478397341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478393341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739198670 + 739198671.

It is an arithmetic number, because the mean of its divisors is an integer number (739198671).

Almost surely, 2^1478397341 is an apocalyptic number.

It is an amenable number.

1478397341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478397341 is an equidigital number, since it uses as much as digits as its factorization.

1478397341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 1478397341 is about 38449.9329128153. The cubic root of 1478397341 is about 1139.1923439603.

The spelling of 1478397341 in words is "one billion, four hundred seventy-eight million, three hundred ninety-seven thousand, three hundred forty-one".