1353291261 has 24 divisors (see below), whose sum is σ = 2108044224. Its totient is φ = 769970880.

The previous prime is 1353291253. The next prime is 1353291337. The reversal of 1353291261 is 1621923531.

It is not a de Polignac number, because 1353291261 - 2³ = 1353291253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353291221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14496 + ... + 54006.

It is an arithmetic number, because the mean of its divisors is an integer number (87835176).

Almost surely, 2^1353291261 is an apocalyptic number.

It is an amenable number.

1353291261 is a deficient number, since it is larger than the sum of its proper divisors (754752963).

1353291261 is a wasteful number, since it uses less digits than its factorization.

1353291261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39761 (or 39754 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 1353291261 is about 36787.1072659974. The cubic root of 1353291261 is about 1106.1068769227.

The spelling of 1353291261 in words is "one billion, three hundred fifty-three million, two hundred ninety-one thousand, two hundred sixty-one".