201501465 has 16 divisors (see below), whose sum is σ = 351711936. Its totient is φ = 97697600.

The previous prime is 201501463. The next prime is 201501467. The reversal of 201501465 is 564105102.

It is an interprime number because it is at equal distance from previous prime (201501463) and next prime (201501467).

It is not a de Polignac number, because 201501465 - 2¹ = 201501463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201501463) 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 15 ways as a sum of consecutive naturals, for example, 610446 + ... + 610775.

It is an arithmetic number, because the mean of its divisors is an integer number (21981996).

Almost surely, 2^201501465 is an apocalyptic number.

It is an amenable number.

201501465 is a deficient number, since it is larger than the sum of its proper divisors (150210471).

201501465 is a wasteful number, since it uses less digits than its factorization.

201501465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221240.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 201501465 is about 14195.1211689087. The cubic root of 201501465 is about 586.2633374398.

Adding to 201501465 its reverse (564105102), we get a palindrome (765606567).

The spelling of 201501465 in words is "two hundred one million, five hundred one thousand, four hundred sixty-five".