1331754953 has 2 divisors, whose sum is σ = 1331754954. Its totient is φ = 1331754952.

The previous prime is 1331754923. The next prime is 1331754967. The reversal of 1331754953 is 3594571331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669619129 + 662135824 = 25877^2 + 25732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331754953 - 2⁶ = 1331754889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331754953.

It is not a weakly prime, because it can be changed into another prime (1331754923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665877476 + 665877477.

It is an arithmetic number, because the mean of its divisors is an integer number (665877477).

Almost surely, 2^1331754953 is an apocalyptic number.

It is an amenable number.

1331754953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331754953 is an equidigital number, since it uses as much as digits as its factorization.

1331754953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 41.

The square root of 1331754953 is about 36493.2179041531. The cubic root of 1331754953 is about 1100.2079367236.

The spelling of 1331754953 in words is "one billion, three hundred thirty-one million, seven hundred fifty-four thousand, nine hundred fifty-three".