40352453 has 2 divisors, whose sum is σ = 40352454. Its totient is φ = 40352452.

The previous prime is 40352449. The next prime is 40352471. The reversal of 40352453 is 35425304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32069569 + 8282884 = 5663^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 40352453 - 2² = 40352449 is a prime.

It is equal to p_2453840 and since 40352453 and 2453840 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 (40352153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20176226 + 20176227.

It is an arithmetic number, because the mean of its divisors is an integer number (20176227).

Almost surely, 2^40352453 is an apocalyptic number.

It is an amenable number.

40352453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40352453 is an equidigital number, since it uses as much as digits as its factorization.

40352453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 40352453 is about 6352.3580661043. The cubic root of 40352453 is about 342.9967303561.

Adding to 40352453 its reverse (35425304), we get a palindrome (75777757).

The spelling of 40352453 in words is "forty million, three hundred fifty-two thousand, four hundred fifty-three".