35378561 has 2 divisors, whose sum is σ = 35378562. Its totient is φ = 35378560.

The previous prime is 35378527. The next prime is 35378573. The reversal of 35378561 is 16587353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 2660161 = 5720^2 + 1631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35378561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35378591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17689280 + 17689281.

It is an arithmetic number, because the mean of its divisors is an integer number (17689281).

Almost surely, 2^35378561 is an apocalyptic number.

It is an amenable number.

35378561 is a deficient number, since it is larger than the sum of its proper divisors (1).

35378561 is an equidigital number, since it uses as much as digits as its factorization.

35378561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 35378561 is about 5947.9879791405. The cubic root of 35378561 is about 328.2817360464.

The spelling of 35378561 in words is "thirty-five million, three hundred seventy-eight thousand, five hundred sixty-one".