2051125242 has 16 divisors (see below), whose sum is σ = 4343559552. Its totient is φ = 643490240.

The previous prime is 2051125201. The next prime is 2051125273. The reversal of 2051125242 is 2425211502.

It is a super-2 number, since 2×2051125242² = 8414229516739117128, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10054434 + ... + 10054637.

It is an arithmetic number, because the mean of its divisors is an integer number (271472472).

Almost surely, 2^2051125242 is an apocalyptic number.

2051125242 is an abundant number, since it is smaller than the sum of its proper divisors (2292434310).

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

2051125242 is a wasteful number, since it uses less digits than its factorization.

2051125242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109093.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2051125242 is about 45289.3502050979. The cubic root of 2051125242 is about 1270.5664784338.

Adding to 2051125242 its reverse (2425211502), we get a palindrome (4476336744).

It can be divided in two parts, 20511 and 25242, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 2051125242 in words is "two billion, fifty-one million, one hundred twenty-five thousand, two hundred forty-two".