201252443501 has 8 divisors (see below), whose sum is σ = 205551751680. Its totient is φ = 196953857968.

The previous prime is 201252443341. The next prime is 201252443519. The reversal of 201252443501 is 105344252102.

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 201252443501 - 2²² = 201248249197 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 (201252443521) 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, 402140 + ... + 751146.

It is an arithmetic number, because the mean of its divisors is an integer number (25693968960).

Almost surely, 2^201252443501 is an apocalyptic number.

It is an amenable number.

201252443501 is a deficient number, since it is larger than the sum of its proper divisors (4299308179).

201252443501 is a wasteful number, since it uses less digits than its factorization.

201252443501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361323.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 201252443501 its reverse (105344252102), we get a palindrome (306596695603).

The spelling of 201252443501 in words is "two hundred one billion, two hundred fifty-two million, four hundred forty-three thousand, five hundred one".