40610551 has 2 divisors, whose sum is σ = 40610552. Its totient is φ = 40610550.

The previous prime is 40610519. The next prime is 40610579. The reversal of 40610551 is 15501604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40610551 - 2⁵ = 40610519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40610051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20305275 + 20305276.

It is an arithmetic number, because the mean of its divisors is an integer number (20305276).

Almost surely, 2^40610551 is an apocalyptic number.

40610551 is a deficient number, since it is larger than the sum of its proper divisors (1).

40610551 is an equidigital number, since it uses as much as digits as its factorization.

40610551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 40610551 is about 6372.6408183735. The cubic root of 40610551 is about 343.7264563049.

The spelling of 40610551 in words is "forty million, six hundred ten thousand, five hundred fifty-one".