461210557 has 4 divisors (see below), whose sum is σ = 461488896. Its totient is φ = 460932220.

The previous prime is 461210537. The next prime is 461210567. The reversal of 461210557 is 755012164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461210557 - 2¹⁵ = 461177789 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 (461210537) 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, 136669 + ... + 140002.

It is an arithmetic number, because the mean of its divisors is an integer number (115372224).

Almost surely, 2^461210557 is an apocalyptic number.

It is an amenable number.

461210557 is a deficient number, since it is larger than the sum of its proper divisors (278339).

461210557 is a wasteful number, since it uses less digits than its factorization.

461210557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278338.

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

The square root of 461210557 is about 21475.8133024107. The cubic root of 461210557 is about 772.6208310414.

The spelling of 461210557 in words is "four hundred sixty-one million, two hundred ten thousand, five hundred fifty-seven".