40551347 has 2 divisors, whose sum is σ = 40551348. Its totient is φ = 40551346.

The previous prime is 40551331. The next prime is 40551359. The reversal of 40551347 is 74315504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40551347 - 2⁴ = 40551331 is a prime.

It is a super-3 number, since 3×40551347³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40557347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20275673 + 20275674.

It is an arithmetic number, because the mean of its divisors is an integer number (20275674).

Almost surely, 2^40551347 is an apocalyptic number.

40551347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40551347 is an equidigital number, since it uses as much as digits as its factorization.

40551347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 40551347 is about 6367.9939541429. The cubic root of 40551347 is about 343.5593414567.

The spelling of 40551347 in words is "forty million, five hundred fifty-one thousand, three hundred forty-seven".