2537620045 has 8 divisors (see below), whose sum is σ = 3064540824. Its totient is φ = 2017164864.

The previous prime is 2537620037. The next prime is 2537620097. The reversal of 2537620045 is 5400267352.

It can be written as a sum of positive squares in 4 ways, for example, as 27008809 + 2510611236 = 5197^2 + 50106^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2537620045 - 2³ = 2537620037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615534 + ... + 1617103.

It is an arithmetic number, because the mean of its divisors is an integer number (383067603).

Almost surely, 2^2537620045 is an apocalyptic number.

It is an amenable number.

2537620045 is a deficient number, since it is larger than the sum of its proper divisors (526920779).

2537620045 is a wasteful number, since it uses less digits than its factorization.

2537620045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232799.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2537620045 is about 50374.7957315958. The cubic root of 2537620045 is about 1363.9827106637.

Adding to 2537620045 its reverse (5400267352), we get a palindrome (7937887397).

The spelling of 2537620045 in words is "two billion, five hundred thirty-seven million, six hundred twenty thousand, forty-five".