2142525265 has 16 divisors (see below), whose sum is σ = 2662503696. Its totient is φ = 1654099200.

The previous prime is 2142525257. The next prime is 2142525269. The reversal of 2142525265 is 5625252412.

It can be written as a sum of positive squares in 8 ways, for example, as 22014864 + 2120510401 = 4692^2 + 46049^2 .

It is not a de Polignac number, because 2142525265 - 2³ = 2142525257 is a prime.

It is a super-2 number, since 2×2142525265² = 9180829022326640450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142525265.

It is not an unprimeable number, because it can be changed into a prime (2142525269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50106 + ... + 82435.

It is an arithmetic number, because the mean of its divisors is an integer number (166406481).

Almost surely, 2^2142525265 is an apocalyptic number.

It is an amenable number.

2142525265 is a deficient number, since it is larger than the sum of its proper divisors (519978431).

2142525265 is a wasteful number, since it uses less digits than its factorization.

2142525265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132660.

The product of its digits is 48000, while the sum is 34.

The square root of 2142525265 is about 46287.4201592614. The cubic root of 2142525265 is about 1289.1654287785.

Adding to 2142525265 its reverse (5625252412), we get a palindrome (7767777677).

The spelling of 2142525265 in words is "two billion, one hundred forty-two million, five hundred twenty-five thousand, two hundred sixty-five".