201434501 has 8 divisors (see below), whose sum is σ = 205723800. Its totient is φ = 197190400.

The previous prime is 201434477. The next prime is 201434509. The reversal of 201434501 is 105434102.

It can be written as a sum of positive squares in 4 ways, for example, as 55145476 + 146289025 = 7426^2 + 12095^2 .

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 201434501 - 2²⁶ = 134325637 is a prime.

It is a super-3 number, since 3×201434501³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201434509) 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, 2216 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (25715475).

Almost surely, 2^201434501 is an apocalyptic number.

It is an amenable number.

201434501 is a deficient number, since it is larger than the sum of its proper divisors (4289299).

201434501 is a wasteful number, since it uses less digits than its factorization.

201434501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22599.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201434501 is about 14192.7622751880. The cubic root of 201434501 is about 586.1983868983.

Adding to 201434501 its reverse (105434102), we get a palindrome (306868603).

The spelling of 201434501 in words is "two hundred one million, four hundred thirty-four thousand, five hundred one".