994957357 has 2 divisors, whose sum is σ = 994957358. Its totient is φ = 994957356.

The previous prime is 994957321. The next prime is 994957367. The reversal of 994957357 is 753759499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893471881 + 101485476 = 29891^2 + 10074^2 .

It is an emirp because it is prime and its reverse (753759499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994957357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994957367) 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, 497478678 + 497478679.

It is an arithmetic number, because the mean of its divisors is an integer number (497478679).

Almost surely, 2^994957357 is an apocalyptic number.

It is an amenable number.

994957357 is a deficient number, since it is larger than the sum of its proper divisors (1).

994957357 is an equidigital number, since it uses as much as digits as its factorization.

994957357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10716300, while the sum is 58.

The square root of 994957357 is about 31542.9446469413. The cubic root of 994957357 is about 998.3162856972.

The spelling of 994957357 in words is "nine hundred ninety-four million, nine hundred fifty-seven thousand, three hundred fifty-seven".