35128057 has 4 divisors (see below), whose sum is σ = 35150500. Its totient is φ = 35105616.

The previous prime is 35128039. The next prime is 35128081. The reversal of 35128057 is 75082153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 29387241 = 2396^2 + 5421^2 .

It is a cyclic number.

It is not a de Polignac number, because 35128057 - 2¹⁵ = 35095289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35128087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8682 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (8787625).

Almost surely, 2^35128057 is an apocalyptic number.

It is an amenable number.

35128057 is a deficient number, since it is larger than the sum of its proper divisors (22443).

35128057 is a wasteful number, since it uses less digits than its factorization.

35128057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22442.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 35128057 is about 5926.8926934778. The cubic root of 35128057 is about 327.5050815986.

The spelling of 35128057 in words is "thirty-five million, one hundred twenty-eight thousand, fifty-seven".