2051137045 has 8 divisors (see below), whose sum is σ = 2467384920. Its totient is φ = 1636896000.

The previous prime is 2051137043. The next prime is 2051137061. The reversal of 2051137045 is 5407311502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 717864849 + 1333272196 = 26793^2 + 36514^2 .

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

It is not a de Polignac number, because 2051137045 - 2¹ = 2051137043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051137043) 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, 499456 + ... + 503545.

It is an arithmetic number, because the mean of its divisors is an integer number (308423115).

Almost surely, 2^2051137045 is an apocalyptic number.

It is an amenable number.

2051137045 is a deficient number, since it is larger than the sum of its proper divisors (416247875).

2051137045 is a wasteful number, since it uses less digits than its factorization.

2051137045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003415.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2051137045 is about 45289.4805114830. The cubic root of 2051137045 is about 1270.5689155460.

Adding to 2051137045 its reverse (5407311502), we get a palindrome (7458448547).

The spelling of 2051137045 in words is "two billion, fifty-one million, one hundred thirty-seven thousand, forty-five".