1354972617 has 28 divisors (see below), whose sum is σ = 2035012980. Its totient is φ = 901767168.

The previous prime is 1354972603. The next prime is 1354972649. The reversal of 1354972617 is 7162794531.

1354972617 is a `hidden beast` number, since 135 + 497 + 26 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1009904841 + 345067776 = 31779^2 + 18576^2 .

It is not a de Polignac number, because 1354972617 - 2⁴ = 1354972601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1354972657) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 559393 + ... + 561809.

It is an arithmetic number, because the mean of its divisors is an integer number (72679035).

Almost surely, 2^1354972617 is an apocalyptic number.

It is an amenable number.

1354972617 is a deficient number, since it is larger than the sum of its proper divisors (680040363).

1354972617 is an frugal number, since it uses more digits than its factorization.

1354972617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204 (or 3189 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 1354972617 is about 36809.9526894561. The cubic root of 1354972617 is about 1106.5647704101.

The spelling of 1354972617 in words is "one billion, three hundred fifty-four million, nine hundred seventy-two thousand, six hundred seventeen".