201264415 has 8 divisors (see below), whose sum is σ = 263473488. Its totient is φ = 146374080.

The previous prime is 201264409. The next prime is 201264463. The reversal of 201264415 is 514462102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201264415 - 2²³ = 192875807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201264415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829622 + ... + 1829731.

It is an arithmetic number, because the mean of its divisors is an integer number (32934186).

Almost surely, 2^201264415 is an apocalyptic number.

201264415 is a deficient number, since it is larger than the sum of its proper divisors (62209073).

201264415 is a wasteful number, since it uses less digits than its factorization.

201264415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659369.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 201264415 is about 14186.7690120055. The cubic root of 201264415 is about 586.0333502668.

The spelling of 201264415 in words is "two hundred one million, two hundred sixty-four thousand, four hundred fifteen".