2506651455 has 32 divisors (see below), whose sum is σ = 5000283648. Its totient is φ = 1041724800.

The previous prime is 2506651429. The next prime is 2506651457. The reversal of 2506651455 is 5541566052.

It is a happy number.

It is not a de Polignac number, because 2506651455 - 2¹⁸ = 2506389311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506651457) 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 31 ways as a sum of consecutive naturals, for example, 1083976 + ... + 1086285.

It is an arithmetic number, because the mean of its divisors is an integer number (156258864).

Almost surely, 2^2506651455 is an apocalyptic number.

2506651455 is a deficient number, since it is larger than the sum of its proper divisors (2493632193).

2506651455 is a wasteful number, since it uses less digits than its factorization.

2506651455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170287.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 2506651455 is about 50066.4703669032. The cubic root of 2506651455 is about 1358.4113975067.

The spelling of 2506651455 in words is "two billion, five hundred six million, six hundred fifty-one thousand, four hundred fifty-five".