701001001 has 12 divisors (see below), whose sum is σ = 764799628. Its totient is φ = 641924352.

The previous prime is 701000999. The next prime is 701001013. The reversal of 701001001 is 100100107.

It can be written as a sum of positive squares in 6 ways, for example, as 246458601 + 454542400 = 15699^2 + 21320^2 .

It is not a de Polignac number, because 701001001 - 2¹ = 701000999 is a prime.

It is a Duffinian number.

701001001 is a modest number, since divided by 1001 gives 701 as remainder.

It is not an unprimeable number, because it can be changed into a prime (701001071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22086 + ... + 43471.

Almost surely, 2^701001001 is an apocalyptic number.

It is an amenable number.

701001001 is a deficient number, since it is larger than the sum of its proper divisors (63798627).

701001001 is a wasteful number, since it uses less digits than its factorization.

701001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65628 (or 65611 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 701001001 is about 26476.4234933648. The cubic root of 701001001 is about 888.3270348243.

Adding to 701001001 its reverse (100100107), we get a palindrome (801101108).

The spelling of 701001001 in words is "seven hundred one million, one thousand, one".