1355478041 has 2 divisors, whose sum is σ = 1355478042. Its totient is φ = 1355478040.

The previous prime is 1355478023. The next prime is 1355478109. The reversal of 1355478041 is 1408745531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806560000 + 548918041 = 28400^2 + 23429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355478041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355477986 and 1355478004.

It is not a weakly prime, because it can be changed into another prime (1355478001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677739020 + 677739021.

It is an arithmetic number, because the mean of its divisors is an integer number (677739021).

Almost surely, 2^1355478041 is an apocalyptic number.

It is an amenable number.

1355478041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355478041 is an equidigital number, since it uses as much as digits as its factorization.

1355478041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1355478041 is about 36816.8173665242. The cubic root of 1355478041 is about 1106.7023414231.

The spelling of 1355478041 in words is "one billion, three hundred fifty-five million, four hundred seventy-eight thousand, forty-one".