2515025461 has 4 divisors (see below), whose sum is σ = 2708488972. Its totient is φ = 2321561952.

The previous prime is 2515025449. The next prime is 2515025479. The reversal of 2515025461 is 1645205152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1422722961 + 1092302500 = 37719^2 + 33050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515025461 - 2⁷ = 2515025333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515025411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96731736 + ... + 96731761.

It is an arithmetic number, because the mean of its divisors is an integer number (677122243).

Almost surely, 2^2515025461 is an apocalyptic number.

It is an amenable number.

2515025461 is a deficient number, since it is larger than the sum of its proper divisors (193463511).

2515025461 is a wasteful number, since it uses less digits than its factorization.

2515025461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193463510.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2515025461 is about 50150.0295214270. The cubic root of 2515025461 is about 1359.9224042017.

The spelling of 2515025461 in words is "two billion, five hundred fifteen million, twenty-five thousand, four hundred sixty-one".