913845461 has 4 divisors (see below), whose sum is σ = 914475852. Its totient is φ = 913215072.

The previous prime is 913845409. The next prime is 913845467. The reversal of 913845461 is 164548319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164548319 = 13 ⋅12657563.

It can be written as a sum of positive squares in 2 ways, for example, as 685654225 + 228191236 = 26185^2 + 15106^2 .

It is a cyclic number.

It is not a de Polignac number, because 913845461 - 2⁶ = 913845397 is a prime.

It is a super-2 number, since 2×913845461² = 1670227053180605042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913845467) 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, 313016 + ... + 315921.

It is an arithmetic number, because the mean of its divisors is an integer number (228618963).

Almost surely, 2^913845461 is an apocalyptic number.

It is an amenable number.

913845461 is a deficient number, since it is larger than the sum of its proper divisors (630391).

913845461 is a wasteful number, since it uses less digits than its factorization.

913845461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630390.

The product of its digits is 103680, while the sum is 41.

The square root of 913845461 is about 30229.8769597231. The cubic root of 913845461 is about 970.4151908784.

The spelling of 913845461 in words is "nine hundred thirteen million, eight hundred forty-five thousand, four hundred sixty-one".