1975313 has 2 divisors, whose sum is σ = 1975314. Its totient is φ = 1975312.

The previous prime is 1975301. The next prime is 1975321. The reversal of 1975313 is 3135791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 693889 = 1132^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975313 - 2⁶ = 1975249 is a prime.

It is a super-2 number, since 2×1975313² = 7803722895938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1975333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987656 + 987657.

It is an arithmetic number, because the mean of its divisors is an integer number (987657).

2^1975313 is an apocalyptic number.

It is an amenable number.

1975313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975313 is an equidigital number, since it uses as much as digits as its factorization.

1975313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 29.

The square root of 1975313 is about 1405.4582882462. The cubic root of 1975313 is about 125.4715627912.

The spelling of 1975313 in words is "one million, nine hundred seventy-five thousand, three hundred thirteen".