43575401 has 2 divisors, whose sum is σ = 43575402. Its totient is φ = 43575400.

The previous prime is 43575397. The next prime is 43575431. The reversal of 43575401 is 10457534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41615401 + 1960000 = 6451^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 43575401 - 2² = 43575397 is a prime.

It is not a weakly prime, because it can be changed into another prime (43575431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21787700 + 21787701.

It is an arithmetic number, because the mean of its divisors is an integer number (21787701).

Almost surely, 2^43575401 is an apocalyptic number.

It is an amenable number.

43575401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43575401 is an equidigital number, since it uses as much as digits as its factorization.

43575401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 43575401 is about 6601.1666393146. The cubic root of 43575401 is about 351.8955683013.

The spelling of 43575401 in words is "forty-three million, five hundred seventy-five thousand, four hundred one".