2125251433 has 4 divisors (see below), whose sum is σ = 2125349460. Its totient is φ = 2125153408.

The previous prime is 2125251431. The next prime is 2125251439. The reversal of 2125251433 is 3341525212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1196952409 + 928299024 = 34597^2 + 30468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125251433 - 2¹ = 2125251431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125251431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460 + ... + 65197.

It is an arithmetic number, because the mean of its divisors is an integer number (531337365).

Almost surely, 2^2125251433 is an apocalyptic number.

It is an amenable number.

2125251433 is a deficient number, since it is larger than the sum of its proper divisors (98027).

2125251433 is an equidigital number, since it uses as much as digits as its factorization.

2125251433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98026.

The product of its digits is 7200, while the sum is 28.

The square root of 2125251433 is about 46100.4493795885. The cubic root of 2125251433 is about 1285.6914996073.

Adding to 2125251433 its reverse (3341525212), we get a palindrome (5466776645).

The spelling of 2125251433 in words is "two billion, one hundred twenty-five million, two hundred fifty-one thousand, four hundred thirty-three".