40650097 has 2 divisors, whose sum is σ = 40650098. Its totient is φ = 40650096.

The previous prime is 40650091. The next prime is 40650107. The reversal of 40650097 is 79005604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29062881 + 11587216 = 5391^2 + 3404^2 .

It is a cyclic number.

It is not a de Polignac number, because 40650097 - 2³ = 40650089 is a prime.

It is a super-2 number, since 2×40650097² = 3304860772218818, which contains 22 as substring.

It is equal to p_2470756 and since 40650097 and 2470756 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40650091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20325048 + 20325049.

It is an arithmetic number, because the mean of its divisors is an integer number (20325049).

Almost surely, 2^40650097 is an apocalyptic number.

It is an amenable number.

40650097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40650097 is an equidigital number, since it uses as much as digits as its factorization.

40650097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40650097 is about 6375.7428586793. The cubic root of 40650097 is about 343.8379921518.

The spelling of 40650097 in words is "forty million, six hundred fifty thousand, ninety-seven".