2505555402 has 16 divisors (see below), whose sum is σ = 5726983872. Its totient is φ = 715872960.

The previous prime is 2505555391. The next prime is 2505555413. The reversal of 2505555402 is 2045555052.

It is an interprime number because it is at equal distance from previous prime (2505555391) and next prime (2505555413).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29827999 + ... + 29828082.

It is an arithmetic number, because the mean of its divisors is an integer number (357936492).

Almost surely, 2^2505555402 is an apocalyptic number.

2505555402 is an abundant number, since it is smaller than the sum of its proper divisors (3221428470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505555402 is a wasteful number, since it uses less digits than its factorization.

2505555402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59656093.

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 2505555402 is about 50055.5231917518. The cubic root of 2505555402 is about 1358.2133766308.

The spelling of 2505555402 in words is "two billion, five hundred five million, five hundred fifty-five thousand, four hundred two".