264550051 has 2 divisors, whose sum is σ = 264550052. Its totient is φ = 264550050.

The previous prime is 264550049. The next prime is 264550067. The reversal of 264550051 is 150055462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264550051 - 2¹ = 264550049 is a prime.

Together with 264550049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (264550021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132275025 + 132275026.

It is an arithmetic number, because the mean of its divisors is an integer number (132275026).

Almost surely, 2^264550051 is an apocalyptic number.

264550051 is a deficient number, since it is larger than the sum of its proper divisors (1).

264550051 is an equidigital number, since it uses as much as digits as its factorization.

264550051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 264550051 is about 16264.9946510904. The cubic root of 264550051 is about 641.9520891191.

The spelling of 264550051 in words is "two hundred sixty-four million, five hundred fifty thousand, fifty-one".