1354755249 has 9 divisors (see below), whose sum is σ = 1957028203. Its totient is φ = 903096552.

The previous prime is 1354755187. The next prime is 1354755263. The reversal of 1354755249 is 9425574531.

The square root of 1354755249 is 36807.

It is a perfect power (a square), and thus also a powerful number.

1354755249 is a `hidden beast` number, since 1 + 3 + 54 + 7 + 552 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1281138849 + 73616400 = 35793^2 + 8580^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-1354755249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354755349) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104287 + ... + 116555.

Almost surely, 2^1354755249 is an apocalyptic number.

1354755249 is the 36807-th square number.

1354755249 is the 18404-th centered octagonal number.

It is an amenable number.

1354755249 is a deficient number, since it is larger than the sum of its proper divisors (602272954).

1354755249 is an frugal number, since it uses more digits than its factorization.

1354755249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544 (or 12272 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The cubic root of 1354755249 is about 1106.5055946424.

The spelling of 1354755249 in words is "one billion, three hundred fifty-four million, seven hundred fifty-five thousand, two hundred forty-nine".