64051 has 6 divisors (see below), whose sum is σ = 69540. Its totient is φ = 58968.

The previous prime is 64037. The next prime is 64063. The reversal of 64051 is 15046.

It is not a de Polignac number, because 64051 - 2⁵ = 64019 is a prime.

It is an Ulam number.

It is a Duffinian number.

64051 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21 + ... + 358.

It is an arithmetic number, because the mean of its divisors is an integer number (11590).

2⁶⁴⁰⁵¹ is an apocalyptic number.

64051 is a deficient number, since it is larger than the sum of its proper divisors (5489).

64051 is a wasteful number, since it uses less digits than its factorization.

64051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 64051 is about 253.0829903411. The cubic root of 64051 is about 40.0106221790.

Adding to 64051 its reverse (15046), we get a palindrome (79097).

It can be divided in two parts, 640 and 51, that multiplied together give a triangular number (32640 = T₂₅₅).

The spelling of 64051 in words is "sixty-four thousand, fifty-one".