2506578902 has 8 divisors (see below), whose sum is σ = 3839865696. Its totient is φ = 1226623672.

The previous prime is 2506578901. The next prime is 2506578917. The reversal of 2506578902 is 2098756052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506578901) 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 3 ways as a sum of consecutive naturals, for example, 13332773 + ... + 13332960.

It is an arithmetic number, because the mean of its divisors is an integer number (479983212).

Almost surely, 2^2506578902 is an apocalyptic number.

2506578902 is a deficient number, since it is larger than the sum of its proper divisors (1333286794).

2506578902 is a wasteful number, since it uses less digits than its factorization.

2506578902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665782.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 2506578902 is about 50065.7457949045. The cubic root of 2506578902 is about 1358.3982913403.

The spelling of 2506578902 in words is "two billion, five hundred six million, five hundred seventy-eight thousand, nine hundred two".