551294651 has 4 divisors (see below), whose sum is σ = 564740904. Its totient is φ = 537848400.

The previous prime is 551294629. The next prime is 551294677. The reversal of 551294651 is 156492155.

551294651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156492155 = 5 ⋅31298431.

It is a cyclic number.

It is not a de Polignac number, because 551294651 - 2¹⁴ = 551278267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551294621) 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, 6723065 + ... + 6723146.

It is an arithmetic number, because the mean of its divisors is an integer number (141185226).

Almost surely, 2^551294651 is an apocalyptic number.

551294651 is a deficient number, since it is larger than the sum of its proper divisors (13446253).

551294651 is a wasteful number, since it uses less digits than its factorization.

551294651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446252.

The product of its digits is 54000, while the sum is 38.

The square root of 551294651 is about 23479.6646270768. The cubic root of 551294651 is about 819.9636365988.

The spelling of 551294651 in words is "five hundred fifty-one million, two hundred ninety-four thousand, six hundred fifty-one".