2525783381 has 8 divisors (see below), whose sum is σ = 2917482624. Its totient is φ = 2161097920.

The previous prime is 2525783371. The next prime is 2525783401. The reversal of 2525783381 is 1833875252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525783381 is a prime.

It is a super-2 number, since 2×2525783381² = 12759163375471582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525783371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6753245 + ... + 6753618.

It is an arithmetic number, because the mean of its divisors is an integer number (364685328).

Almost surely, 2^2525783381 is an apocalyptic number.

It is an amenable number.

2525783381 is a deficient number, since it is larger than the sum of its proper divisors (391699243).

2525783381 is a wasteful number, since it uses less digits than its factorization.

2525783381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506891.

The product of its digits is 403200, while the sum is 44.

The square root of 2525783381 is about 50257.1724333950. The cubic root of 2525783381 is about 1361.8586504985.

The spelling of 2525783381 in words is "two billion, five hundred twenty-five million, seven hundred eighty-three thousand, three hundred eighty-one".