64540095 has 32 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 33601920.

The previous prime is 64540087. The next prime is 64540123. The reversal of 64540095 is 59004546.

It is not a de Polignac number, because 64540095 - 2³ = 64540087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149530 + ... + 149960.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^64540095 is an apocalyptic number.

64540095 is a deficient number, since it is larger than the sum of its proper divisors (41213505).

64540095 is a wasteful number, since it uses less digits than its factorization.

64540095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 64540095 is about 8033.6850199644. The cubic root of 64540095 is about 401.1220474972.

The spelling of 64540095 in words is "sixty-four million, five hundred forty thousand, ninety-five".