40612501 has 4 divisors (see below), whose sum is σ = 40674604. Its totient is φ = 40550400.

The previous prime is 40612493. The next prime is 40612513. The reversal of 40612501 is 10521604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25010001 + 15602500 = 5001^2 + 3950^2 .

It is a cyclic number.

It is not a de Polignac number, because 40612501 - 2³ = 40612493 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 (40612531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30060 + ... + 31381.

It is an arithmetic number, because the mean of its divisors is an integer number (10168651).

Almost surely, 2^40612501 is an apocalyptic number.

It is an amenable number.

40612501 is a deficient number, since it is larger than the sum of its proper divisors (62103).

40612501 is an equidigital number, since it uses as much as digits as its factorization.

40612501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62102.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40612501 is about 6372.7938143329. The cubic root of 40612501 is about 343.7319577968.

The spelling of 40612501 in words is "forty million, six hundred twelve thousand, five hundred one".