654361143 has 16 divisors (see below), whose sum is σ = 893688576. Its totient is φ = 425658240.

The previous prime is 654361129. The next prime is 654361157. The reversal of 654361143 is 341163456.

It is an interprime number because it is at equal distance from previous prime (654361129) and next prime (654361157).

It is not a de Polignac number, because 654361143 - 2⁶ = 654361079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654361193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165358 + ... + 169268.

It is an arithmetic number, because the mean of its divisors is an integer number (55855536).

Almost surely, 2^654361143 is an apocalyptic number.

654361143 is a deficient number, since it is larger than the sum of its proper divisors (239327433).

654361143 is a wasteful number, since it uses less digits than its factorization.

654361143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254.

The product of its digits is 25920, while the sum is 33.

The square root of 654361143 is about 25580.4836349902. The cubic root of 654361143 is about 868.1721181576.

The spelling of 654361143 in words is "six hundred fifty-four million, three hundred sixty-one thousand, one hundred forty-three".