35899961 has 2 divisors, whose sum is σ = 35899962. Its totient is φ = 35899960.

The previous prime is 35899957. The next prime is 35899973. The reversal of 35899961 is 16999853.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 4752400 = 5581^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 35899961 - 2² = 35899957 is a prime.

It is not a weakly prime, because it can be changed into another prime (35899931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17949980 + 17949981.

It is an arithmetic number, because the mean of its divisors is an integer number (17949981).

Almost surely, 2^35899961 is an apocalyptic number.

It is an amenable number.

35899961 is a deficient number, since it is larger than the sum of its proper divisors (1).

35899961 is an equidigital number, since it uses as much as digits as its factorization.

35899961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 35899961 is about 5991.6576170539. The cubic root of 35899961 is about 329.8865879026.

The spelling of 35899961 in words is "thirty-five million, eight hundred ninety-nine thousand, nine hundred sixty-one".