2501402005 has 8 divisors (see below), whose sum is σ = 3074894424. Its totient is φ = 1952313600.

The previous prime is 2501401999. The next prime is 2501402011. The reversal of 2501402005 is 5002041052.

It is an interprime number because it is at equal distance from previous prime (2501401999) and next prime (2501402011).

It can be written as a sum of positive squares in 4 ways, for example, as 266570929 + 2234831076 = 16327^2 + 47274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2501402005 - 2²⁵ = 2467847573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100776 + ... + 6101185.

It is an arithmetic number, because the mean of its divisors is an integer number (384361803).

Almost surely, 2^2501402005 is an apocalyptic number.

It is an amenable number.

2501402005 is a deficient number, since it is larger than the sum of its proper divisors (573492419).

2501402005 is a wasteful number, since it uses less digits than its factorization.

2501402005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202007.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2501402005 is about 50014.0180849329. The cubic root of 2501402005 is about 1357.4624693569.

Adding to 2501402005 its reverse (5002041052), we get a palindrome (7503443057).

The spelling of 2501402005 in words is "two billion, five hundred one million, four hundred two thousand, five".