45406651 has 2 divisors, whose sum is σ = 45406652. Its totient is φ = 45406650.

The previous prime is 45406649. The next prime is 45406681. The reversal of 45406651 is 15660454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45406651 - 2¹ = 45406649 is a prime.

Together with 45406649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45406681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22703325 + 22703326.

It is an arithmetic number, because the mean of its divisors is an integer number (22703326).

Almost surely, 2^45406651 is an apocalyptic number.

45406651 is a deficient number, since it is larger than the sum of its proper divisors (1).

45406651 is an equidigital number, since it uses as much as digits as its factorization.

45406651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 45406651 is about 6738.4457406734. The cubic root of 45406651 is about 356.7575371379.

The spelling of 45406651 in words is "forty-five million, four hundred six thousand, six hundred fifty-one".