1654056451 has 2 divisors, whose sum is σ = 1654056452. Its totient is φ = 1654056450.

The previous prime is 1654056449. The next prime is 1654056461. The reversal of 1654056451 is 1546504561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1654056451 - 2¹ = 1654056449 is a prime.

Together with 1654056449, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1654056451.

It is not a weakly prime, because it can be changed into another prime (1654056421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827028225 + 827028226.

It is an arithmetic number, because the mean of its divisors is an integer number (827028226).

Almost surely, 2^1654056451 is an apocalyptic number.

1654056451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654056451 is an equidigital number, since it uses as much as digits as its factorization.

1654056451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 1654056451 is about 40670.0928324488. The cubic root of 1654056451 is about 1182.6333154123.

The spelling of 1654056451 in words is "one billion, six hundred fifty-four million, fifty-six thousand, four hundred fifty-one".