1053647 has 6 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 903084.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053647 is 7463501.

It is not a de Polignac number, because 1053647 - 2⁶ = 1053583 is a prime.

It is a super-2 number, since 2×1053647² = 2220344001218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10703 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (204288).

2^1053647 is an apocalyptic number.

1053647 is a deficient number, since it is larger than the sum of its proper divisors (172081).

1053647 is an equidigital number, since it uses as much as digits as its factorization.

1053647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21517 (or 21510 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1053647 is about 1026.4730878109. The cubic root of 1053647 is about 101.7571758125.

The spelling of 1053647 in words is "one million, fifty-three thousand, six hundred forty-seven".