2057522154 has 8 divisors (see below), whose sum is σ = 4115044320. Its totient is φ = 685840716.

The previous prime is 2057522107. The next prime is 2057522161. The reversal of 2057522154 is 4512257502.

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

2057522154 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171460174 + ... + 171460185.

It is an arithmetic number, because the mean of its divisors is an integer number (514380540).

Almost surely, 2^2057522154 is an apocalyptic number.

2057522154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2057522154 is a wasteful number, since it uses less digits than its factorization.

2057522154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342920364.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 2057522154 is about 45359.9179232062. The cubic root of 2057522154 is about 1271.8859602184.

Adding to 2057522154 its reverse (4512257502), we get a palindrome (6569779656).

The spelling of 2057522154 in words is "two billion, fifty-seven million, five hundred twenty-two thousand, one hundred fifty-four".