40512501 has 8 divisors (see below), whose sum is σ = 60018560. Its totient is φ = 27008316.

The previous prime is 40512497. The next prime is 40512517. The reversal of 40512501 is 10521504.

It is not a de Polignac number, because 40512501 - 2² = 40512497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750205 + ... + 750258.

It is an arithmetic number, because the mean of its divisors is an integer number (7502320).

Almost surely, 2^40512501 is an apocalyptic number.

It is an amenable number.

40512501 is a deficient number, since it is larger than the sum of its proper divisors (19506059).

40512501 is a wasteful number, since it uses less digits than its factorization.

40512501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500472 (or 1500466 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 40512501 is about 6364.9431262188. The cubic root of 40512501 is about 343.4496026442.

The spelling of 40512501 in words is "forty million, five hundred twelve thousand, five hundred one".