252135101 has 8 divisors (see below), whose sum is σ = 258254304. Its totient is φ = 246027600.

The previous prime is 252135071. The next prime is 252135139. The reversal of 252135101 is 101531252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252135101 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 (252135161) 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, 53690 + ... + 58196.

It is an arithmetic number, because the mean of its divisors is an integer number (32281788).

Almost surely, 2^252135101 is an apocalyptic number.

It is an amenable number.

252135101 is a deficient number, since it is larger than the sum of its proper divisors (6119203).

252135101 is a wasteful number, since it uses less digits than its factorization.

252135101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 252135101 is about 15878.7625777326. The cubic root of 252135101 is about 631.7488161209.

Adding to 252135101 its reverse (101531252), we get a palindrome (353666353).

The spelling of 252135101 in words is "two hundred fifty-two million, one hundred thirty-five thousand, one hundred one".