35142749 has 2 divisors, whose sum is σ = 35142750. Its totient is φ = 35142748.

The previous prime is 35142743. The next prime is 35142769. The reversal of 35142749 is 94724153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 14303524 = 4565^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 35142749 - 2⁴ = 35142733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35142743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17571374 + 17571375.

It is an arithmetic number, because the mean of its divisors is an integer number (17571375).

Almost surely, 2^35142749 is an apocalyptic number.

It is an amenable number.

35142749 is a deficient number, since it is larger than the sum of its proper divisors (1).

35142749 is an equidigital number, since it uses as much as digits as its factorization.

35142749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 35142749 is about 5928.1319992051. The cubic root of 35142749 is about 327.5507339385.

The spelling of 35142749 in words is "thirty-five million, one hundred forty-two thousand, seven hundred forty-nine".