201502089 has 6 divisors (see below), whose sum is σ = 291058586. Its totient is φ = 134334720.

The previous prime is 201502069. The next prime is 201502127. The reversal of 201502089 is 980205102.

It can be written as a sum of positive squares in only one way, i.e., 175827600 + 25674489 = 13260^2 + 5067^2 .

It is not a de Polignac number, because 201502089 - 2¹¹ = 201500041 is a prime.

It is a super-4 number, since 4×201502089⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201502039) 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 5 ways as a sum of consecutive naturals, for example, 11194552 + ... + 11194569.

Almost surely, 2^201502089 is an apocalyptic number.

It is an amenable number.

201502089 is a deficient number, since it is larger than the sum of its proper divisors (89556497).

201502089 is a wasteful number, since it uses less digits than its factorization.

201502089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389127 (or 22389124 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 201502089 is about 14195.1431482743. The cubic root of 201502089 is about 586.2639426098.

The spelling of 201502089 in words is "two hundred one million, five hundred two thousand, eighty-nine".