2125302501 has 16 divisors (see below), whose sum is σ = 3260008448. Its totient is φ = 1206414000.

The previous prime is 2125302493. The next prime is 2125302521. The reversal of 2125302501 is 1052035212.

It is not a de Polignac number, because 2125302501 - 2³ = 2125302493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 (2125302521) 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, 331945 + ... + 338286.

It is an arithmetic number, because the mean of its divisors is an integer number (203750528).

Almost surely, 2^2125302501 is an apocalyptic number.

2125302501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2125302501 is a deficient number, since it is larger than the sum of its proper divisors (1134705947).

2125302501 is a wasteful number, since it uses less digits than its factorization.

2125302501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670392.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2125302501 is about 46101.0032537254. The cubic root of 2125302501 is about 1285.7017975524.

Adding to 2125302501 its reverse (1052035212), we get a palindrome (3177337713).

The spelling of 2125302501 in words is "two billion, one hundred twenty-five million, three hundred two thousand, five hundred one".