7125049 has 2 divisors, whose sum is σ = 7125050. Its totient is φ = 7125048.

The previous prime is 7125047. The next prime is 7125061. The reversal of 7125049 is 9405217.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6411024 + 714025 = 2532^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 7125049 - 2¹ = 7125047 is a prime.

Together with 7125047, it forms a pair of twin primes.

7125049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7125043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562524 + 3562525.

It is an arithmetic number, because the mean of its divisors is an integer number (3562525).

Almost surely, 2^7125049 is an apocalyptic number.

It is an amenable number.

7125049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125049 is an equidigital number, since it uses as much as digits as its factorization.

7125049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7125049 is about 2669.2787415330. The cubic root of 7125049 is about 192.4254976776.

The spelling of 7125049 in words is "seven million, one hundred twenty-five thousand, forty-nine".