201855357 has 12 divisors (see below), whose sum is σ = 318075264. Its totient is φ = 122336520.

The previous prime is 201855347. The next prime is 201855361. The reversal of 201855357 is 753558102.

It is not a de Polignac number, because 201855357 - 2¹⁰ = 201854333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201855347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019373 + ... + 1019570.

It is an arithmetic number, because the mean of its divisors is an integer number (26506272).

Almost surely, 2^201855357 is an apocalyptic number.

It is an amenable number.

201855357 is a deficient number, since it is larger than the sum of its proper divisors (116219907).

201855357 is a wasteful number, since it uses less digits than its factorization.

201855357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038960 (or 2038957 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 201855357 is about 14207.5809693276. The cubic root of 201855357 is about 586.6063499384.

It can be divided in two parts, 2018 and 55357, that added together give a palindrome (57375).

The spelling of 201855357 in words is "two hundred one million, eight hundred fifty-five thousand, three hundred fifty-seven".