7101949 has 2 divisors, whose sum is σ = 7101950. Its totient is φ = 7101948.

The previous prime is 7101907. The next prime is 7101989. The reversal of 7101949 is 9491017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 1428025 = 2382^2 + 1195^2 .

It is an emirp because it is prime and its reverse (9491017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7101949 - 2¹⁹ = 6577661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7101949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7101989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3550974 + 3550975.

It is an arithmetic number, because the mean of its divisors is an integer number (3550975).

Almost surely, 2^7101949 is an apocalyptic number.

It is an amenable number.

7101949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7101949 is an equidigital number, since it uses as much as digits as its factorization.

7101949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 7101949 is about 2664.9482171329. The cubic root of 7101949 is about 192.2173193953.

The spelling of 7101949 in words is "seven million, one hundred one thousand, nine hundred forty-nine".