1354256417 has 2 divisors, whose sum is σ = 1354256418. Its totient is φ = 1354256416.

The previous prime is 1354256411. The next prime is 1354256437. The reversal of 1354256417 is 7146524531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1178136976 + 176119441 = 34324^2 + 13271^2 .

It is an emirp because it is prime and its reverse (7146524531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1354256417 - 2¹⁸ = 1353994273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1354256411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677128208 + 677128209.

It is an arithmetic number, because the mean of its divisors is an integer number (677128209).

Almost surely, 2^1354256417 is an apocalyptic number.

It is an amenable number.

1354256417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354256417 is an equidigital number, since it uses as much as digits as its factorization.

1354256417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 1354256417 is about 36800.2230563892. The cubic root of 1354256417 is about 1106.3697698237.

The spelling of 1354256417 in words is "one billion, three hundred fifty-four million, two hundred fifty-six thousand, four hundred seventeen".