201056651 has 8 divisors (see below), whose sum is σ = 213043200. Its totient is φ = 189210600.

The previous prime is 201056641. The next prime is 201056657. The reversal of 201056651 is 156650102.

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 201056651 - 2²⁶ = 133947787 is a prime.

It is a super-2 number, since 2×201056651² = 80847553822671602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201056651.

It is not an unprimeable number, because it can be changed into a prime (201056657) 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, 32171 + ... + 37908.

It is an arithmetic number, because the mean of its divisors is an integer number (26630400).

Almost surely, 2^201056651 is an apocalyptic number.

201056651 is a deficient number, since it is larger than the sum of its proper divisors (11986549).

201056651 is a wasteful number, since it uses less digits than its factorization.

201056651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70249.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 201056651 is about 14179.4446647251. Note that the first 3 decimals coincide. The cubic root of 201056651 is about 585.8316279815.

The spelling of 201056651 in words is "two hundred one million, fifty-six thousand, six hundred fifty-one".