2542135237 has 8 divisors (see below), whose sum is σ = 2653174656. Its totient is φ = 2431138512.

The previous prime is 2542135231. The next prime is 2542135243. The reversal of 2542135237 is 7325312452.

It is an interprime number because it is at equal distance from previous prime (2542135231) and next prime (2542135243).

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 2542135237 - 2¹¹ = 2542133189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542135231) 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, 198183 + ... + 210619.

It is an arithmetic number, because the mean of its divisors is an integer number (331646832).

Almost surely, 2^2542135237 is an apocalyptic number.

It is an amenable number.

2542135237 is a deficient number, since it is larger than the sum of its proper divisors (111039419).

2542135237 is a wasteful number, since it uses less digits than its factorization.

2542135237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347.

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

The square root of 2542135237 is about 50419.5917972369. The cubic root of 2542135237 is about 1364.7912103110.

Adding to 2542135237 its reverse (7325312452), we get a palindrome (9867447689).

The spelling of 2542135237 in words is "two billion, five hundred forty-two million, one hundred thirty-five thousand, two hundred thirty-seven".