1072553 has 4 divisors (see below), whose sum is σ = 1079808. Its totient is φ = 1065300.

The previous prime is 1072543. The next prime is 1072613. The reversal of 1072553 is 3552701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1072553 - 2⁴ = 1072537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401 + ... + 3702.

It is an arithmetic number, because the mean of its divisors is an integer number (269952).

2^1072553 is an apocalyptic number.

It is an amenable number.

1072553 is a deficient number, since it is larger than the sum of its proper divisors (7255).

1072553 is an equidigital number, since it uses as much as digits as its factorization.

1072553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1072553 is about 1035.6413471854. The cubic root of 1072553 is about 102.3621943468.

The spelling of 1072553 in words is "one million, seventy-two thousand, five hundred fifty-three".