951997349 has 2 divisors, whose sum is σ = 951997350. Its totient is φ = 951997348.

The previous prime is 951997303. The next prime is 951997369. The reversal of 951997349 is 943799159.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509946724 + 442050625 = 22582^2 + 21025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-951997349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 951997294 and 951997303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (951997369) 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 as a sum of consecutive naturals, namely, 475998674 + 475998675.

It is an arithmetic number, because the mean of its divisors is an integer number (475998675).

Almost surely, 2^951997349 is an apocalyptic number.

It is an amenable number.

951997349 is a deficient number, since it is larger than the sum of its proper divisors (1).

951997349 is an equidigital number, since it uses as much as digits as its factorization.

951997349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 56.

The square root of 951997349 is about 30854.4542813513. The cubic root of 951997349 is about 983.7360337653.

The spelling of 951997349 in words is "nine hundred fifty-one million, nine hundred ninety-seven thousand, three hundred forty-nine".