38435561 has 2 divisors, whose sum is σ = 38435562. Its totient is φ = 38435560.

The previous prime is 38435533. The next prime is 38435569. The reversal of 38435561 is 16553483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37589161 + 846400 = 6131^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 38435561 - 2⁶ = 38435497 is a prime.

It is not a weakly prime, because it can be changed into another prime (38435569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19217780 + 19217781.

It is an arithmetic number, because the mean of its divisors is an integer number (19217781).

Almost surely, 2^38435561 is an apocalyptic number.

It is an amenable number.

38435561 is a deficient number, since it is larger than the sum of its proper divisors (1).

38435561 is an equidigital number, since it uses as much as digits as its factorization.

38435561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 38435561 is about 6199.6420057936. The cubic root of 38435561 is about 337.4771774233.

The spelling of 38435561 in words is "thirty-eight million, four hundred thirty-five thousand, five hundred sixty-one".