214651801 has 45 divisors (see below), whose sum is σ = 283458399. Its totient is φ = 162450288.

The previous prime is 214651793. The next prime is 214651807. The reversal of 214651801 is 108156412.

The square root of 214651801 is 14651.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 182898576 = 5635^2 + 13524^2 .

It is not a de Polignac number, because 214651801 - 2³ = 214651793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214651801.

It is not an unprimeable number, because it can be changed into a prime (214651807) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 9332676 + ... + 9332698.

Almost surely, 2^214651801 is an apocalyptic number.

214651801 is the 14651-st square number.

214651801 is the 7326-th centered octagonal number.

It is an amenable number.

214651801 is a deficient number, since it is larger than the sum of its proper divisors (68806598).

214651801 is an frugal number, since it uses more digits than its factorization.

214651801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The cubic root of 214651801 is about 598.7490613258.

The spelling of 214651801 in words is "two hundred fourteen million, six hundred fifty-one thousand, eight hundred one".