913545431 has 4 divisors (see below), whose sum is σ = 913974264. Its totient is φ = 913116600.

The previous prime is 913545421. The next prime is 913545461. The reversal of 913545431 is 134545319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 913545431 - 2¹⁴ = 913529047 is a prime.

It is a super-2 number, since 2×913545431² = 1669130509001951522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 913545391 and 913545400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913545421) 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, 211205 + ... + 215486.

It is an arithmetic number, because the mean of its divisors is an integer number (228493566).

Almost surely, 2^913545431 is an apocalyptic number.

913545431 is a deficient number, since it is larger than the sum of its proper divisors (428833).

913545431 is a wasteful number, since it uses less digits than its factorization.

913545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428832.

The product of its digits is 32400, while the sum is 35.

The square root of 913545431 is about 30224.9140776281. The cubic root of 913545431 is about 970.3089783398.

The spelling of 913545431 in words is "nine hundred thirteen million, five hundred forty-five thousand, four hundred thirty-one".