201513015 has 40 divisors (see below), whose sum is σ = 394078608. Its totient is φ = 97701120.

The previous prime is 201512953. The next prime is 201513023. The reversal of 201513015 is 510315102.

It is not a de Polignac number, because 201513015 - 2¹⁰ = 201511991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18162 + ... + 27071.

Almost surely, 2^201513015 is an apocalyptic number.

201513015 is a deficient number, since it is larger than the sum of its proper divisors (192565593).

201513015 is a wasteful number, since it uses less digits than its factorization.

201513015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45261 (or 45252 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 201513015 is about 14195.5279929984. The cubic root of 201513015 is about 586.2745387019.

Adding to 201513015 its reverse (510315102), we get a palindrome (711828117).

The spelling of 201513015 in words is "two hundred one million, five hundred thirteen thousand, fifteen".