7201949 has 2 divisors, whose sum is σ = 7201950. Its totient is φ = 7201948.

The previous prime is 7201927. The next prime is 7201963. The reversal of 7201949 is 9491027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 2229049 = 2230^2 + 1493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7201949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7201919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600974 + 3600975.

It is an arithmetic number, because the mean of its divisors is an integer number (3600975).

Almost surely, 2^7201949 is an apocalyptic number.

It is an amenable number.

7201949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201949 is an equidigital number, since it uses as much as digits as its factorization.

7201949 is an evil number, because the sum of its binary digits is even.

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

The square root of 7201949 is about 2683.6447231331. The cubic root of 7201949 is about 193.1152988567.

The spelling of 7201949 in words is "seven million, two hundred one thousand, nine hundred forty-nine".