701443261 has 4 divisors (see below), whose sum is σ = 702180252. Its totient is φ = 700706272.

The previous prime is 701443243. The next prime is 701443297. The reversal of 701443261 is 162344107.

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 371294361 + 330148900 = 19269^2 + 18170^2 .

It is a cyclic number.

It is not a de Polignac number, because 701443261 - 2¹³ = 701435069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701443201) 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, 367066 + ... + 368971.

It is an arithmetic number, because the mean of its divisors is an integer number (175545063).

Almost surely, 2^701443261 is an apocalyptic number.

It is an amenable number.

701443261 is a deficient number, since it is larger than the sum of its proper divisors (736991).

701443261 is an equidigital number, since it uses as much as digits as its factorization.

701443261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736990.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 701443261 is about 26484.7741353405. The cubic root of 701443261 is about 888.5138100796.

Adding to 701443261 its reverse (162344107), we get a palindrome (863787368).

The spelling of 701443261 in words is "seven hundred one million, four hundred forty-three thousand, two hundred sixty-one".