7261949 has 2 divisors, whose sum is σ = 7261950. Its totient is φ = 7261948.

The previous prime is 7261939. The next prime is 7261963. The reversal of 7261949 is 9491627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4644025 + 2617924 = 2155^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 7261949 - 2¹² = 7257853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7261909) 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, 3630974 + 3630975.

It is an arithmetic number, because the mean of its divisors is an integer number (3630975).

Almost surely, 2^7261949 is an apocalyptic number.

It is an amenable number.

7261949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7261949 is an equidigital number, since it uses as much as digits as its factorization.

7261949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 7261949 is about 2694.8003636633. The cubic root of 7261949 is about 193.6501026468.

The spelling of 7261949 in words is "seven million, two hundred sixty-one thousand, nine hundred forty-nine".