7001701561 has 4 divisors (see below), whose sum is σ = 7306123392. Its totient is φ = 6697279732.

The previous prime is 7001701543. The next prime is 7001701589. The reversal of 7001701561 is 1651071007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7001701561 - 2¹⁷ = 7001570489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001701501) 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, 152210881 + ... + 152210926.

It is an arithmetic number, because the mean of its divisors is an integer number (1826530848).

Almost surely, 2^7001701561 is an apocalyptic number.

It is an amenable number.

7001701561 is a deficient number, since it is larger than the sum of its proper divisors (304421831).

7001701561 is a wasteful number, since it uses less digits than its factorization.

7001701561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304421830.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 7001701561 is about 83676.1708074647. The cubic root of 7001701561 is about 1913.0861687435.

Adding to 7001701561 its reverse (1651071007), we get a palindrome (8652772568).

The spelling of 7001701561 in words is "seven billion, one million, seven hundred one thousand, five hundred sixty-one".