461270551 has 4 divisors (see below), whose sum is σ = 527166352. Its totient is φ = 395374752.

The previous prime is 461270489. The next prime is 461270573. The reversal of 461270551 is 155072164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461270551 - 2¹¹ = 461268503 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 (461270351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32947890 + ... + 32947903.

It is an arithmetic number, because the mean of its divisors is an integer number (131791588).

Almost surely, 2^461270551 is an apocalyptic number.

461270551 is a deficient number, since it is larger than the sum of its proper divisors (65895801).

461270551 is an equidigital number, since it uses as much as digits as its factorization.

461270551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65895800.

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

The square root of 461270551 is about 21477.2100376189. The cubic root of 461270551 is about 772.6543302778.

The spelling of 461270551 in words is "four hundred sixty-one million, two hundred seventy thousand, five hundred fifty-one".