40025147 has 2 divisors, whose sum is σ = 40025148. Its totient is φ = 40025146.

The previous prime is 40025119. The next prime is 40025171. The reversal of 40025147 is 74152004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40025147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40025747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012573 + 20012574.

It is an arithmetic number, because the mean of its divisors is an integer number (20012574).

Almost surely, 2^40025147 is an apocalyptic number.

40025147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025147 is an equidigital number, since it uses as much as digits as its factorization.

40025147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40025147 is about 6326.5430528844. The cubic root of 40025147 is about 342.0668422639.

The spelling of 40025147 in words is "forty million, twenty-five thousand, one hundred forty-seven".