1053637 has 4 divisors (see below), whose sum is σ = 1134700. Its totient is φ = 972576.

The previous prime is 1053617. The next prime is 1053691. The reversal of 1053637 is 7363501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7363501 = 67 ⋅109903.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 919681 = 366^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053637 - 2⁷ = 1053509 is a prime.

It is a super-2 number, since 2×1053637² = 2220301855538, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 40512 + ... + 40537.

It is an arithmetic number, because the mean of its divisors is an integer number (283675).

2^1053637 is an apocalyptic number.

It is an amenable number.

1053637 is a deficient number, since it is larger than the sum of its proper divisors (81063).

1053637 is an equidigital number, since it uses as much as digits as its factorization.

1053637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81062.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1053637 is about 1026.4682167510. The cubic root of 1053637 is about 101.7568538910.

It can be divided in two parts, 1053 and 637, that multiplied together give a square (670761 = 819²).

The spelling of 1053637 in words is "one million, fifty-three thousand, six hundred thirty-seven".