472106551 has 4 divisors (see below), whose sum is σ = 539550352. Its totient is φ = 404662752.

The previous prime is 472106539. The next prime is 472106561. The reversal of 472106551 is 155601274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155601274 = 2 ⋅77800637.

It is a cyclic number.

It is not a de Polignac number, because 472106551 - 2⁵ = 472106519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472106501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33721890 + ... + 33721903.

It is an arithmetic number, because the mean of its divisors is an integer number (134887588).

Almost surely, 2^472106551 is an apocalyptic number.

472106551 is a deficient number, since it is larger than the sum of its proper divisors (67443801).

472106551 is an equidigital number, since it uses as much as digits as its factorization.

472106551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67443800.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 472106551 is about 21728.0130476765. The cubic root of 472106551 is about 778.6578667131.

The spelling of 472106551 in words is "four hundred seventy-two million, one hundred six thousand, five hundred fifty-one".