451461 has 8 divisors (see below), whose sum is σ = 612064. Its totient is φ = 295920.

The previous prime is 451441. The next prime is 451481. The reversal of 451461 is 164154.

It is an interprime number because it is at equal distance from previous prime (451441) and next prime (451481).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451461 - 2⁶ = 451397 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (76508).

2⁴⁵¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

451461 is a deficient number, since it is larger than the sum of its proper divisors (160603).

451461 is a wasteful number, since it uses less digits than its factorization.

451461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531.

The product of its digits is 480, while the sum is 21.

The square root of 451461 is about 671.9084759102. The cubic root of 451461 is about 76.7137853600.

The spelling of 451461 in words is "four hundred fifty-one thousand, four hundred sixty-one".