35518949 has 2 divisors, whose sum is σ = 35518950. Its totient is φ = 35518948.

The previous prime is 35518943. The next prime is 35518993. The reversal of 35518949 is 94981553.

It is a happy number.

It is an a-pointer prime, because the next prime (35518993) can be obtained adding 35518949 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 6466849 = 5390^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 35518949 - 2¹⁶ = 35453413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35518943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17759474 + 17759475.

It is an arithmetic number, because the mean of its divisors is an integer number (17759475).

Almost surely, 2^35518949 is an apocalyptic number.

It is an amenable number.

35518949 is a deficient number, since it is larger than the sum of its proper divisors (1).

35518949 is an equidigital number, since it uses as much as digits as its factorization.

35518949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 44.

The square root of 35518949 is about 5959.7775965215. Note that the first 3 decimals coincide. The cubic root of 35518949 is about 328.7153884152.

The spelling of 35518949 in words is "thirty-five million, five hundred eighteen thousand, nine hundred forty-nine".