7354981 has 2 divisors, whose sum is σ = 7354982. Its totient is φ = 7354980.

The previous prime is 7354973. The next prime is 7355011. The reversal of 7354981 is 1894537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 1522756 = 2415^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 7354981 - 2³ = 7354973 is a prime.

It is a super-2 number, since 2×7354981² = 108191491020722, which contains 22 as substring.

7354981 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7354981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7354481) 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 as a sum of consecutive naturals, namely, 3677490 + 3677491.

It is an arithmetic number, because the mean of its divisors is an integer number (3677491).

Almost surely, 2^7354981 is an apocalyptic number.

It is an amenable number.

7354981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7354981 is an equidigital number, since it uses as much as digits as its factorization.

7354981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 7354981 is about 2712.0068215253. The cubic root of 7354981 is about 194.4735393983.

Subtracting from 7354981 its sum of digits (37), we obtain a square (7354944 = 2712²).

The spelling of 7354981 in words is "seven million, three hundred fifty-four thousand, nine hundred eighty-one".