40471351 has 2 divisors, whose sum is σ = 40471352. Its totient is φ = 40471350.

The previous prime is 40471279. The next prime is 40471391. The reversal of 40471351 is 15317404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40471351 - 2¹⁵ = 40438583 is a prime.

It is equal to p_2460616 and since 40471351 and 2460616 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40471391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235675 + 20235676.

It is an arithmetic number, because the mean of its divisors is an integer number (20235676).

Almost surely, 2^40471351 is an apocalyptic number.

40471351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40471351 is an equidigital number, since it uses as much as digits as its factorization.

40471351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40471351 is about 6361.7097544607. The cubic root of 40471351 is about 343.3332785580. Note that the first 3 decimals are identical.

Adding to 40471351 its reverse (15317404), we get a palindrome (55788755).

The spelling of 40471351 in words is "forty million, four hundred seventy-one thousand, three hundred fifty-one".