2515001263 has 16 divisors (see below), whose sum is σ = 2747215872. Its totient is φ = 2295216000.

The previous prime is 2515001219. The next prime is 2515001287. The reversal of 2515001263 is 3621005152.

It is not a de Polignac number, because 2515001263 - 2⁹ = 2515000751 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 (2515001663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25783 + ... + 75463.

It is an arithmetic number, because the mean of its divisors is an integer number (171700992).

Almost surely, 2^2515001263 is an apocalyptic number.

2515001263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2515001263 is a deficient number, since it is larger than the sum of its proper divisors (232214609).

2515001263 is a wasteful number, since it uses less digits than its factorization.

2515001263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49806.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2515001263 is about 50149.7882647574. The cubic root of 2515001263 is about 1359.9180427471.

The spelling of 2515001263 in words is "two billion, five hundred fifteen million, one thousand, two hundred sixty-three".