40867051 has 2 divisors, whose sum is σ = 40867052. Its totient is φ = 40867050.

The previous prime is 40867049. The next prime is 40867063. The reversal of 40867051 is 15076804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40867051 - 2¹ = 40867049 is a prime.

Together with 40867049, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2483248 and since 40867051 and 2483248 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40867091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20433525 + 20433526.

It is an arithmetic number, because the mean of its divisors is an integer number (20433526).

Almost surely, 2^40867051 is an apocalyptic number.

40867051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40867051 is an equidigital number, since it uses as much as digits as its factorization.

40867051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 40867051 is about 6392.7342350515. The cubic root of 40867051 is about 344.4486074149.

The spelling of 40867051 in words is "forty million, eight hundred sixty-seven thousand, fifty-one".