2125250429 has 4 divisors (see below), whose sum is σ = 2126366784. Its totient is φ = 2124134076.

The previous prime is 2125250419. The next prime is 2125250467. The reversal of 2125250429 is 9240525212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125250429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125250395 and 2125250404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125250419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555317 + ... + 559130.

It is an arithmetic number, because the mean of its divisors is an integer number (531591696).

Almost surely, 2^2125250429 is an apocalyptic number.

It is an amenable number.

2125250429 is a deficient number, since it is larger than the sum of its proper divisors (1116355).

2125250429 is a wasteful number, since it uses less digits than its factorization.

2125250429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116354.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2125250429 is about 46100.4384903224. The cubic root of 2125250429 is about 1285.6912971475.

The spelling of 2125250429 in words is "two billion, one hundred twenty-five million, two hundred fifty thousand, four hundred twenty-nine".