641375006 has 4 divisors (see below), whose sum is σ = 962062512. Its totient is φ = 320687502.

The previous prime is 641374973. The next prime is 641375011. The reversal of 641375006 is 600573146.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×641375006² = 822723796643000072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160343750 + ... + 160343753.

It is an arithmetic number, because the mean of its divisors is an integer number (240515628).

Almost surely, 2^641375006 is an apocalyptic number.

641375006 is a deficient number, since it is larger than the sum of its proper divisors (320687506).

641375006 is a wasteful number, since it uses less digits than its factorization.

641375006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320687505.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 641375006 is about 25325.3826427164. The cubic root of 641375006 is about 862.3905930258.

The spelling of 641375006 in words is "six hundred forty-one million, three hundred seventy-five thousand, six".