7056981 has 6 divisors (see below), whose sum is σ = 10193430. Its totient is φ = 4704648.

The previous prime is 7056949. The next prime is 7057013. The reversal of 7056981 is 1896507.

It is an interprime number because it is at equal distance from previous prime (7056949) and next prime (7057013).

It can be written as a sum of positive squares in only one way, i.e., 6937956 + 119025 = 2634^2 + 345^2 .

It is not a de Polignac number, because 7056981 - 2⁵ = 7056949 is a prime.

It is a super-3 number, since 3×7056981³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392046 + ... + 392063.

It is an arithmetic number, because the mean of its divisors is an integer number (1698905).

Almost surely, 2^7056981 is an apocalyptic number.

It is an amenable number.

7056981 is a deficient number, since it is larger than the sum of its proper divisors (3136449).

7056981 is a wasteful number, since it uses less digits than its factorization.

7056981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784115 (or 784112 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7056981 is about 2656.4978825514. The cubic root of 7056981 is about 191.8107673321.

The spelling of 7056981 in words is "seven million, fifty-six thousand, nine hundred eighty-one".