7251269 has 2 divisors, whose sum is σ = 7251270. Its totient is φ = 7251268.

The previous prime is 7251239. The next prime is 7251311. The reversal of 7251269 is 9621527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 543169 = 2590^2 + 737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7251269 is a prime.

It is a super-2 number, since 2×7251269² = 105161804220722, 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 (7251239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3625634 + 3625635.

It is an arithmetic number, because the mean of its divisors is an integer number (3625635).

Almost surely, 2^7251269 is an apocalyptic number.

It is an amenable number.

7251269 is a deficient number, since it is larger than the sum of its proper divisors (1).

7251269 is an equidigital number, since it uses as much as digits as its factorization.

7251269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 7251269 is about 2692.8180406407. The cubic root of 7251269 is about 193.5551236541. Note that the first 3 decimals are identical.

The spelling of 7251269 in words is "seven million, two hundred fifty-one thousand, two hundred sixty-nine".