2057581437 has 8 divisors (see below), whose sum is σ = 2760273504. Its totient is φ = 1363305168.

The previous prime is 2057581429. The next prime is 2057581441. The reversal of 2057581437 is 7341857502.

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

It is not a de Polignac number, because 2057581437 - 2³ = 2057581429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057581447) 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, 2103378 + ... + 2104355.

It is an arithmetic number, because the mean of its divisors is an integer number (345034188).

Almost surely, 2^2057581437 is an apocalyptic number.

It is an amenable number.

2057581437 is a deficient number, since it is larger than the sum of its proper divisors (702692067).

2057581437 is a wasteful number, since it uses less digits than its factorization.

2057581437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207899.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 2057581437 is about 45360.5713919038. The cubic root of 2057581437 is about 1271.8981756383.

The spelling of 2057581437 in words is "two billion, fifty-seven million, five hundred eighty-one thousand, four hundred thirty-seven".