42641901 has 12 divisors (see below), whose sum is σ = 62080512. Its totient is φ = 28203336.

The previous prime is 42641881. The next prime is 42641969. The reversal of 42641901 is 10914624.

It is not a de Polignac number, because 42641901 - 2⁵ = 42641869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17511 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (5173376).

Almost surely, 2^42641901 is an apocalyptic number.

It is an amenable number.

42641901 is a deficient number, since it is larger than the sum of its proper divisors (19438611).

42641901 is a wasteful number, since it uses less digits than its factorization.

42641901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37440 (or 37437 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 42641901 is about 6530.0766457983. The cubic root of 42641901 is about 349.3645640511.

The spelling of 42641901 in words is "forty-two million, six hundred forty-one thousand, nine hundred one".