7149497 has 2 divisors, whose sum is σ = 7149498. Its totient is φ = 7149496.

The previous prime is 7149479. The next prime is 7149509. The reversal of 7149497 is 7949417.

It is a happy number.

Together with previous prime (7149479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 1692601 = 2336^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 7149497 - 2⁶ = 7149433 is a prime.

It is a super-2 number, since 2×7149497² = 102230614706018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7149407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574748 + 3574749.

It is an arithmetic number, because the mean of its divisors is an integer number (3574749).

Almost surely, 2^7149497 is an apocalyptic number.

It is an amenable number.

7149497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149497 is an equidigital number, since it uses as much as digits as its factorization.

7149497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 7149497 is about 2673.8543341027. The cubic root of 7149497 is about 192.6453346725.

The spelling of 7149497 in words is "seven million, one hundred forty-nine thousand, four hundred ninety-seven".