40825451 has 2 divisors, whose sum is σ = 40825452. Its totient is φ = 40825450.

The previous prime is 40825439. The next prime is 40825453. The reversal of 40825451 is 15452804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40825451 - 2¹⁸ = 40563307 is a prime.

It is a Sophie Germain prime.

Together with 40825453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40825453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412725 + 20412726.

It is an arithmetic number, because the mean of its divisors is an integer number (20412726).

Almost surely, 2^40825451 is an apocalyptic number.

40825451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40825451 is an equidigital number, since it uses as much as digits as its factorization.

40825451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 40825451 is about 6389.4797127779. The cubic root of 40825451 is about 344.3316923086.

The spelling of 40825451 in words is "forty million, eight hundred twenty-five thousand, four hundred fifty-one".