201009052 has 12 divisors (see below), whose sum is σ = 367060176. Its totient is φ = 96134720.

The previous prime is 201009031. The next prime is 201009073. The reversal of 201009052 is 250900102.

It is an interprime number because it is at equal distance from previous prime (201009031) and next prime (201009073).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092349 + ... + 1092532.

It is an arithmetic number, because the mean of its divisors is an integer number (30588348).

Almost surely, 2^201009052 is an apocalyptic number.

It is an amenable number.

201009052 is a deficient number, since it is larger than the sum of its proper divisors (166051124).

201009052 is a wasteful number, since it uses less digits than its factorization.

201009052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184908 (or 2184906 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 201009052 is about 14177.7661145894. The cubic root of 201009052 is about 585.7853935821.

Adding to 201009052 its reverse (250900102), we get a palindrome (451909154).

The spelling of 201009052 in words is "two hundred one million, nine thousand, fifty-two".