1354111249 has 2 divisors, whose sum is σ = 1354111250. Its totient is φ = 1354111248.

The previous prime is 1354111243. The next prime is 1354111259. The reversal of 1354111249 is 9421114531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1284505600 + 69605649 = 35840^2 + 8343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354111249 - 2¹¹ = 1354109201 is a prime.

It is a super-3 number, since 3×1354111249³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1354111249.

It is not a weakly prime, because it can be changed into another prime (1354111243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677055624 + 677055625.

It is an arithmetic number, because the mean of its divisors is an integer number (677055625).

Almost surely, 2^1354111249 is an apocalyptic number.

It is an amenable number.

1354111249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354111249 is an equidigital number, since it uses as much as digits as its factorization.

1354111249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 1354111249 is about 36798.2506241805. The cubic root of 1354111249 is about 1106.3302363883.

The spelling of 1354111249 in words is "one billion, three hundred fifty-four million, one hundred eleven thousand, two hundred forty-nine".