2525250139 has 4 divisors (see below), whose sum is σ = 2612327760. Its totient is φ = 2438172520.

The previous prime is 2525250103. The next prime is 2525250163. The reversal of 2525250139 is 9310525252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525250139 - 2¹⁹ = 2524725851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525251139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43538767 + ... + 43538824.

It is an arithmetic number, because the mean of its divisors is an integer number (653081940).

Almost surely, 2^2525250139 is an apocalyptic number.

2525250139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2525250139 is a deficient number, since it is larger than the sum of its proper divisors (87077621).

2525250139 is an equidigital number, since it uses as much as digits as its factorization.

2525250139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87077620.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2525250139 is about 50251.8670200422. The cubic root of 2525250139 is about 1361.7628054698.

The spelling of 2525250139 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, one hundred thirty-nine".