40625051 has 2 divisors, whose sum is σ = 40625052. Its totient is φ = 40625050.

The previous prime is 40625033. The next prime is 40625111. The reversal of 40625051 is 15052604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40625051 is a prime.

It is not a weakly prime, because it can be changed into another prime (40625251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312525 + 20312526.

It is an arithmetic number, because the mean of its divisors is an integer number (20312526).

Almost surely, 2^40625051 is an apocalyptic number.

40625051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40625051 is an equidigital number, since it uses as much as digits as its factorization.

40625051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40625051 is about 6373.7783927589. The cubic root of 40625051 is about 343.7673606218.

Adding to 40625051 its reverse (15052604), we get a palindrome (55677655).

The spelling of 40625051 in words is "forty million, six hundred twenty-five thousand, fifty-one".