654054731 has 12 divisors (see below), whose sum is σ = 720438792. Its totient is φ = 593747000.

The previous prime is 654054701. The next prime is 654054733. The reversal of 654054731 is 137450456.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-654054731 is a prime.

It is a super-2 number, since 2×654054731² = 855575182286964722, 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 = 654054691 and 654054700.

It is not an unprimeable number, because it can be changed into a prime (654054733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932681 + ... + 933381.

It is an arithmetic number, because the mean of its divisors is an integer number (60036566).

Almost surely, 2^654054731 is an apocalyptic number.

654054731 is a deficient number, since it is larger than the sum of its proper divisors (66384061).

654054731 is an frugal number, since it uses more digits than its factorization.

654054731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 654054731 is about 25574.4937584305. The cubic root of 654054731 is about 868.0365865322.

The spelling of 654054731 in words is "six hundred fifty-four million, fifty-four thousand, seven hundred thirty-one".