7241985 has 12 divisors (see below), whose sum is σ = 12552852. Its totient is φ = 3862368.

The previous prime is 7241977. The next prime is 7241989. The reversal of 7241985 is 5891427.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 4297329 = 1716^2 + 2073^2 .

It is not a de Polignac number, because 7241985 - 2³ = 7241977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7241989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80422 + ... + 80511.

It is an arithmetic number, because the mean of its divisors is an integer number (1046071).

Almost surely, 2^7241985 is an apocalyptic number.

It is an amenable number.

7241985 is a deficient number, since it is larger than the sum of its proper divisors (5310867).

7241985 is a wasteful number, since it uses less digits than its factorization.

7241985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160944 (or 160941 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7241985 is about 2691.0936438556. The cubic root of 7241985 is about 193.4724837182.

The spelling of 7241985 in words is "seven million, two hundred forty-one thousand, nine hundred eighty-five".