2251501425 has 36 divisors (see below), whose sum is σ = 4244944080. Its totient is φ = 1137598560.

The previous prime is 2251501379. The next prime is 2251501477. The reversal of 2251501425 is 5241051522.

2251501425 is a `hidden beast` number, since 2 + 2 + 515 + 0 + 142 + 5 = 666.

2251501425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251501425 - 2⁷ = 2251501297 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, 259059 + ... + 267608.

Almost surely, 2^2251501425 is an apocalyptic number.

2251501425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251501425 is a deficient number, since it is larger than the sum of its proper divisors (1993442655).

2251501425 is a wasteful number, since it uses less digits than its factorization.

2251501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526702 (or 526694 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2251501425 is about 47449.9886722853. The cubic root of 2251501425 is about 1310.6621024179.

Adding to 2251501425 its reverse (5241051522), we get a palindrome (7492552947).

The spelling of 2251501425 in words is "two billion, two hundred fifty-one million, five hundred one thousand, four hundred twenty-five".