461494901 has 4 divisors (see below), whose sum is σ = 527422752. Its totient is φ = 395567052.

The previous prime is 461494889. The next prime is 461494909. The reversal of 461494901 is 109494164.

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 461494901 - 2⁶ = 461494837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461494909) 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, 32963915 + ... + 32963928.

It is an arithmetic number, because the mean of its divisors is an integer number (131855688).

Almost surely, 2^461494901 is an apocalyptic number.

It is an amenable number.

461494901 is a deficient number, since it is larger than the sum of its proper divisors (65927851).

461494901 is an equidigital number, since it uses as much as digits as its factorization.

461494901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65927850.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 461494901 is about 21482.4323809014. The cubic root of 461494901 is about 772.7795762986.

The spelling of 461494901 in words is "four hundred sixty-one million, four hundred ninety-four thousand, nine hundred one".