1043625049 has 2 divisors, whose sum is σ = 1043625050. Its totient is φ = 1043625048.

The previous prime is 1043625047. The next prime is 1043625061. The reversal of 1043625049 is 9405263401.

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., 820421449 + 223203600 = 28643^2 + 14940^2 .

It is an emirp because it is prime and its reverse (9405263401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043625049 - 2¹ = 1043625047 is a prime.

Together with 1043625047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1043625047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521812524 + 521812525.

It is an arithmetic number, because the mean of its divisors is an integer number (521812525).

Almost surely, 2^1043625049 is an apocalyptic number.

It is an amenable number.

1043625049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043625049 is an equidigital number, since it uses as much as digits as its factorization.

1043625049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1043625049 is about 32305.1861006867. The cubic root of 1043625049 is about 1014.3352030028.

The spelling of 1043625049 in words is "one billion, forty-three million, six hundred twenty-five thousand, forty-nine".