2525641318 has 4 divisors (see below), whose sum is σ = 3788461980. Its totient is φ = 1262820658.

The previous prime is 2525641309. The next prime is 2525641351. The reversal of 2525641318 is 8131465252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631410328 + ... + 631410331.

It is an arithmetic number, because the mean of its divisors is an integer number (947115495).

Almost surely, 2^2525641318 is an apocalyptic number.

2525641318 is a deficient number, since it is larger than the sum of its proper divisors (1262820662).

2525641318 is a wasteful number, since it uses less digits than its factorization.

2525641318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262820661.

The product of its digits is 57600, while the sum is 37.

The square root of 2525641318 is about 50255.7590530677. The cubic root of 2525641318 is about 1361.8331173834.

The spelling of 2525641318 in words is "two billion, five hundred twenty-five million, six hundred forty-one thousand, three hundred eighteen".