2142351225 has 36 divisors (see below), whose sum is σ = 4385362176. Its totient is φ = 979359840.

The previous prime is 2142351187. The next prime is 2142351257. The reversal of 2142351225 is 5221532412.

2142351225 is a `hidden beast` number, since 2 + 142 + 3 + 512 + 2 + 5 = 666.

It is not a de Polignac number, because 2142351225 - 2¹⁴ = 2142334841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 678537 + ... + 681686.

It is an arithmetic number, because the mean of its divisors is an integer number (121815616).

Almost surely, 2^2142351225 is an apocalyptic number.

2142351225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142351225 is an abundant number, since it is smaller than the sum of its proper divisors (2243010951).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142351225 is a wasteful number, since it uses less digits than its factorization.

2142351225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360246 (or 1360238 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2142351225 is about 46285.5401286406. The cubic root of 2142351225 is about 1289.1305209946.

Adding to 2142351225 its reverse (5221532412), we get a palindrome (7363883637).

The spelling of 2142351225 in words is "two billion, one hundred forty-two million, three hundred fifty-one thousand, two hundred twenty-five".