40525967 has 2 divisors, whose sum is σ = 40525968. Its totient is φ = 40525966.

The previous prime is 40525957. The next prime is 40525987. The reversal of 40525967 is 76952504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40525967 - 2¹⁴ = 40509583 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40525967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40525937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262983 + 20262984.

It is an arithmetic number, because the mean of its divisors is an integer number (20262984).

Almost surely, 2^40525967 is an apocalyptic number.

40525967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525967 is an equidigital number, since it uses as much as digits as its factorization.

40525967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 40525967 is about 6366.0008639648. Note that the first 3 decimals coincide. The cubic root of 40525967 is about 343.4876516406.

The spelling of 40525967 in words is "forty million, five hundred twenty-five thousand, nine hundred sixty-seven".