2151504425 has 24 divisors (see below), whose sum is σ = 3209467200. Its totient is φ = 1397666880.

The previous prime is 2151504413. The next prime is 2151504427. The reversal of 2151504425 is 5244051512.

It is not a de Polignac number, because 2151504425 - 2¹⁰ = 2151503401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151504427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320210 + ... + 326859.

It is an arithmetic number, because the mean of its divisors is an integer number (133727800).

Almost surely, 2^2151504425 is an apocalyptic number.

2151504425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151504425 is a deficient number, since it is larger than the sum of its proper divisors (1057962775).

2151504425 is a wasteful number, since it uses less digits than its factorization.

2151504425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647105 (or 647100 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2151504425 is about 46384.3122725777. The cubic root of 2151504425 is about 1290.9638500986.

Adding to 2151504425 its reverse (5244051512), we get a palindrome (7395555937).

The spelling of 2151504425 in words is "two billion, one hundred fifty-one million, five hundred four thousand, four hundred twenty-five".