7212497 has 2 divisors, whose sum is σ = 7212498. Its totient is φ = 7212496.

The previous prime is 7212493. The next prime is 7212509. The reversal of 7212497 is 7942127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6574096 + 638401 = 2564^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 7212497 - 2² = 7212493 is a prime.

It is a super-2 number, since 2×7212497² = 104040225950018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7212493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606248 + 3606249.

It is an arithmetic number, because the mean of its divisors is an integer number (3606249).

Almost surely, 2^7212497 is an apocalyptic number.

It is an amenable number.

7212497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212497 is an equidigital number, since it uses as much as digits as its factorization.

7212497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 7212497 is about 2685.6092418667. The cubic root of 7212497 is about 193.2095319837.

The spelling of 7212497 in words is "seven million, two hundred twelve thousand, four hundred ninety-seven".