1354831253 has 2 divisors, whose sum is σ = 1354831254. Its totient is φ = 1354831252.

The previous prime is 1354831249. The next prime is 1354831267. The reversal of 1354831253 is 3521384531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226190289 + 128640964 = 35017^2 + 11342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354831253 - 2² = 1354831249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354831273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677415626 + 677415627.

It is an arithmetic number, because the mean of its divisors is an integer number (677415627).

Almost surely, 2^1354831253 is an apocalyptic number.

It is an amenable number.

1354831253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354831253 is an equidigital number, since it uses as much as digits as its factorization.

1354831253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 1354831253 is about 36808.0324521700. The cubic root of 1354831253 is about 1106.5262865173.

The spelling of 1354831253 in words is "one billion, three hundred fifty-four million, eight hundred thirty-one thousand, two hundred fifty-three".