252135033510601 has 4 divisors (see below), whose sum is σ = 253265683885312. Its totient is φ = 251004383135892.

The previous prime is 252135033510499. The next prime is 252135033510739. The reversal of 252135033510601 is 106015330531252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252135033510601 - 2²¹ = 252135031413449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252135033511601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565325187021 + ... + 565325187466.

It is an arithmetic number, because the mean of its divisors is an integer number (63316420971328).

Almost surely, 2^{252135033510601} is an apocalyptic number.

It is an amenable number.

252135033510601 is a deficient number, since it is larger than the sum of its proper divisors (1130650374711).

252135033510601 is a wasteful number, since it uses less digits than its factorization.

252135033510601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130650374710.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 252135033510601 in words is "two hundred fifty-two trillion, one hundred thirty-five billion, thirty-three million, five hundred ten thousand, six hundred one".