201510061 has 8 divisors (see below), whose sum is σ = 222640704. Its totient is φ = 181410240.

The previous prime is 201510059. The next prime is 201510073. The reversal of 201510061 is 160015102.

It is a happy number.

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 201510061 - 2¹ = 201510059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201510461) 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, 257295 + ... + 258076.

It is an arithmetic number, because the mean of its divisors is an integer number (27830088).

Almost surely, 2^201510061 is an apocalyptic number.

It is an amenable number.

201510061 is a deficient number, since it is larger than the sum of its proper divisors (21130643).

201510061 is a wasteful number, since it uses less digits than its factorization.

201510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515411.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 201510061 is about 14195.4239457651. The cubic root of 201510061 is about 586.2716739350.

Adding to 201510061 its reverse (160015102), we get a palindrome (361525163).

The spelling of 201510061 in words is "two hundred one million, five hundred ten thousand, sixty-one".