7180961 has 4 divisors (see below), whose sum is σ = 7237632. Its totient is φ = 7124292.

The previous prime is 7180931. The next prime is 7180969. The reversal of 7180961 is 1690817.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1690817 = 131 ⋅12907.

It is a cyclic number.

It is not a de Polignac number, because 7180961 - 2⁶ = 7180897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7180969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28145 + ... + 28398.

It is an arithmetic number, because the mean of its divisors is an integer number (1809408).

Almost surely, 2^7180961 is an apocalyptic number.

It is an amenable number.

7180961 is a deficient number, since it is larger than the sum of its proper divisors (56671).

7180961 is a wasteful number, since it uses less digits than its factorization.

7180961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56670.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 7180961 is about 2679.7315164023. The cubic root of 7180961 is about 192.9275234143.

The spelling of 7180961 in words is "seven million, one hundred eighty thousand, nine hundred sixty-one".