2142404325 has 36 divisors (see below), whose sum is σ = 3855555808. Its totient is φ = 1137175200.

The previous prime is 2142404323. The next prime is 2142404333. The reversal of 2142404325 is 5234042412.

It is not a de Polignac number, because 2142404325 - 2¹ = 2142404323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142404323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24912 + ... + 70038.

Almost surely, 2^2142404325 is an apocalyptic number.

2142404325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142404325 is a deficient number, since it is larger than the sum of its proper divisors (1713151483).

2142404325 is a wasteful number, since it uses less digits than its factorization.

2142404325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45354 (or 45346 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2142404325 is about 46286.1137383557. The cubic root of 2142404325 is about 1289.1411716393.

Adding to 2142404325 its reverse (5234042412), we get a palindrome (7376446737).

The spelling of 2142404325 in words is "two billion, one hundred forty-two million, four hundred four thousand, three hundred twenty-five".