2415140251 has 4 divisors (see below), whose sum is σ = 2415257712. Its totient is φ = 2415022792.

The previous prime is 2415140227. The next prime is 2415140267. The reversal of 2415140251 is 1520415142.

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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2415140251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2415140291) 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 3 ways as a sum of consecutive naturals, for example, 18871 + ... + 72016.

It is an arithmetic number, because the mean of its divisors is an integer number (603814428).

Almost surely, 2^2415140251 is an apocalyptic number.

2415140251 is a deficient number, since it is larger than the sum of its proper divisors (117461).

2415140251 is an equidigital number, since it uses as much as digits as its factorization.

2415140251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117460.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2415140251 is about 49144.0764589182. The cubic root of 2415140251 is about 1341.6753847373.

Adding to 2415140251 its reverse (1520415142), we get a palindrome (3935555393).

The spelling of 2415140251 in words is "two billion, four hundred fifteen million, one hundred forty thousand, two hundred fifty-one".