461854261 has 32 divisors (see below), whose sum is σ = 552988800. Its totient is φ = 381024000.

The previous prime is 461854259. The next prime is 461854277. The reversal of 461854261 is 162458164.

It is a 4-Lehmer number, since φ(461854261) divides (461854261-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 461854261 - 2¹ = 461854259 is a prime.

It is a super-2 number, since 2×461854261² = 426618716807712242, which contains 22 as substring.

It is a deceptive number, since it divides R_461854260.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461854261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461854061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096831 + ... + 1097251.

It is an arithmetic number, because the mean of its divisors is an integer number (17280900).

It is a Poulet number, since it divides 2^461854260-1.

Almost surely, 2^461854261 is an apocalyptic number.

It is an amenable number.

461854261 is a deficient number, since it is larger than the sum of its proper divisors (91134539).

461854261 is a wasteful number, since it uses less digits than its factorization.

461854261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 46080, while the sum is 37.

The square root of 461854261 is about 21490.7947968427. The cubic root of 461854261 is about 772.9801086823.

The spelling of 461854261 in words is "four hundred sixty-one million, eight hundred fifty-four thousand, two hundred sixty-one".