4025002549 has 2 divisors, whose sum is σ = 4025002550. Its totient is φ = 4025002548.

The previous prime is 4025002517. The next prime is 4025002559. The reversal of 4025002549 is 9452005204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2425562500 + 1599440049 = 49250^2 + 39993^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025002549 - 2⁵ = 4025002517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4025002549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4025002559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012501274 + 2012501275.

It is an arithmetic number, because the mean of its divisors is an integer number (2012501275).

Almost surely, 2^4025002549 is an apocalyptic number.

It is an amenable number.

4025002549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4025002549 is an equidigital number, since it uses as much as digits as its factorization.

4025002549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4025002549 is about 63442.9077911787. The cubic root of 4025002549 is about 1590.7016073479.

The spelling of 4025002549 in words is "four billion, twenty-five million, two thousand, five hundred forty-nine".