2630215251 has 6 divisors (see below), whose sum is σ = 3799199820. Its totient is φ = 1753476828.

The previous prime is 2630215213. The next prime is 2630215261. The reversal of 2630215251 is 1525120362.

It is a happy number.

2630215251 is a `hidden beast` number, since 2 + 630 + 2 + 1 + 5 + 25 + 1 = 666.

It is not a de Polignac number, because 2630215251 - 2⁷ = 2630215123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630215261) 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 5 ways as a sum of consecutive naturals, for example, 146123061 + ... + 146123078.

It is an arithmetic number, because the mean of its divisors is an integer number (633199970).

Almost surely, 2^2630215251 is an apocalyptic number.

2630215251 is a deficient number, since it is larger than the sum of its proper divisors (1168984569).

2630215251 is a wasteful number, since it uses less digits than its factorization.

2630215251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292246145 (or 292246142 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2630215251 is about 51285.6242138087. The cubic root of 2630215251 is about 1380.3750382694.

The spelling of 2630215251 in words is "two billion, six hundred thirty million, two hundred fifteen thousand, two hundred fifty-one".