5431545 has 48 divisors (see below), whose sum is σ = 11037312. Its totient is φ = 2419200.

The previous prime is 5431537. The next prime is 5431561. The reversal of 5431545 is 5451345.

5431545 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5431545 - 2³ = 5431537 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

5431545 is strictly pandigital in base 8.

5431545 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13345 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (229944).

Almost surely, 2^5431545 is an apocalyptic number.

It is an amenable number.

5431545 is an abundant number, since it is smaller than the sum of its proper divisors (5605767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431545 is a wasteful number, since it uses less digits than its factorization.

5431545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 459 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5431545 is about 2330.5675274491. The cubic root of 5431545 is about 175.7820239670.

The spelling of 5431545 in words is "five million, four hundred thirty-one thousand, five hundred forty-five".