461630437 has 4 divisors (see below), whose sum is σ = 462084480. Its totient is φ = 461176396.

The previous prime is 461630423. The next prime is 461630467. The reversal of 461630437 is 734036164.

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 461630437 - 2²³ = 453241829 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 (461630467) 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, 225493 + ... + 227530.

It is an arithmetic number, because the mean of its divisors is an integer number (115521120).

Almost surely, 2^461630437 is an apocalyptic number.

It is an amenable number.

461630437 is a deficient number, since it is larger than the sum of its proper divisors (454043).

461630437 is a wasteful number, since it uses less digits than its factorization.

461630437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454042.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 461630437 is about 21485.5867269200. The cubic root of 461630437 is about 772.8552211941.

It can be divided in two parts, 4616 and 30437, that added together give a palindrome (35053).

The spelling of 461630437 in words is "four hundred sixty-one million, six hundred thirty thousand, four hundred thirty-seven".