2515402551 has 16 divisors (see below), whose sum is σ = 3474171360. Its totient is φ = 1616939520.

The previous prime is 2515402543. The next prime is 2515402553. The reversal of 2515402551 is 1552045152.

It is not a de Polignac number, because 2515402551 - 2³ = 2515402543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515402553) 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, 47211 + ... + 85203.

It is an arithmetic number, because the mean of its divisors is an integer number (217135710).

Almost surely, 2^2515402551 is an apocalyptic number.

2515402551 is a deficient number, since it is larger than the sum of its proper divisors (958768809).

2515402551 is a wasteful number, since it uses less digits than its factorization.

2515402551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2515402551 is about 50153.7889994365. The cubic root of 2515402551 is about 1359.9903673986.

The spelling of 2515402551 in words is "two billion, five hundred fifteen million, four hundred two thousand, five hundred fifty-one".