2001137357 has 2 divisors, whose sum is σ = 2001137358. Its totient is φ = 2001137356.

The previous prime is 2001137353. The next prime is 2001137401. The reversal of 2001137357 is 7537311002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1741476361 + 259660996 = 41731^2 + 16114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001137357 - 2² = 2001137353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001137351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000568678 + 1000568679.

It is an arithmetic number, because the mean of its divisors is an integer number (1000568679).

Almost surely, 2^2001137357 is an apocalyptic number.

It is an amenable number.

2001137357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001137357 is an equidigital number, since it uses as much as digits as its factorization.

2001137357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 2001137357 is about 44734.0737805087. The cubic root of 2001137357 is about 1260.1598346409.

Adding to 2001137357 its reverse (7537311002), we get a palindrome (9538448359).

The spelling of 2001137357 in words is "two billion, one million, one hundred thirty-seven thousand, three hundred fifty-seven".