70561201 has 4 divisors (see below), whose sum is σ = 71718004. Its totient is φ = 69404400.

The previous prime is 70561199. The next prime is 70561213. The reversal of 70561201 is 10216507.

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 12816400 + 57744801 = 3580^2 + 7599^2 .

It is a cyclic number.

It is not a de Polignac number, because 70561201 - 2¹ = 70561199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70561261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578310 + ... + 578431.

It is an arithmetic number, because the mean of its divisors is an integer number (17929501).

Almost surely, 2^70561201 is an apocalyptic number.

It is an amenable number.

70561201 is a deficient number, since it is larger than the sum of its proper divisors (1156803).

70561201 is a wasteful number, since it uses less digits than its factorization.

70561201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156802.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 70561201 is about 8400.0714877910. The cubic root of 70561201 is about 413.2269661406.

Adding to 70561201 its reverse (10216507), we get a palindrome (80777708).

The spelling of 70561201 in words is "seventy million, five hundred sixty-one thousand, two hundred one".