7249901 has 2 divisors, whose sum is σ = 7249902. Its totient is φ = 7249900.

The previous prime is 7249897. The next prime is 7249919. The reversal of 7249901 is 1099427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6895876 + 354025 = 2626^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 7249901 - 2² = 7249897 is a prime.

It is a super-2 number, since 2×7249901² = 105122129019602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7249961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3624950 + 3624951.

It is an arithmetic number, because the mean of its divisors is an integer number (3624951).

Almost surely, 2^7249901 is an apocalyptic number.

It is an amenable number.

7249901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7249901 is an equidigital number, since it uses as much as digits as its factorization.

7249901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 7249901 is about 2692.5640196660. The cubic root of 7249901 is about 193.5429510692.

The spelling of 7249901 in words is "seven million, two hundred forty-nine thousand, nine hundred one".