7149841 has 2 divisors, whose sum is σ = 7149842. Its totient is φ = 7149840.

The previous prime is 7149829. The next prime is 7149851. The reversal of 7149841 is 1489417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3690241 + 3459600 = 1921^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 7149841 - 2⁷ = 7149713 is a prime.

It is a super-2 number, since 2×7149841² = 102240452650562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149797 and 7149806.

It is not a weakly prime, because it can be changed into another prime (7149811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574920 + 3574921.

It is an arithmetic number, because the mean of its divisors is an integer number (3574921).

Almost surely, 2^7149841 is an apocalyptic number.

It is an amenable number.

7149841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149841 is an equidigital number, since it uses as much as digits as its factorization.

7149841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 7149841 is about 2673.9186599446. The cubic root of 7149841 is about 192.6484243506.

The spelling of 7149841 in words is "seven million, one hundred forty-nine thousand, eight hundred forty-one".