40825131 has 8 divisors (see below), whose sum is σ = 54516624. Its totient is φ = 27175200.

The previous prime is 40825123. The next prime is 40825133. The reversal of 40825131 is 13152804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40825131 - 2³ = 40825123 is a prime.

It is a super-2 number, since 2×40825131² = 3333382642334322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40825133) 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, 8020 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (6814578).

Almost surely, 2^40825131 is an apocalyptic number.

40825131 is a deficient number, since it is larger than the sum of its proper divisors (13691493).

40825131 is a wasteful number, since it uses less digits than its factorization.

40825131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 40825131 is about 6389.4546715663. The cubic root of 40825131 is about 344.3307926539.

Adding to 40825131 its reverse (13152804), we get a palindrome (53977935).

The spelling of 40825131 in words is "forty million, eight hundred twenty-five thousand, one hundred thirty-one".