1037521 has 4 divisors (see below), whose sum is σ = 1044544. Its totient is φ = 1030500.

The previous prime is 1037503. The next prime is 1037537. The reversal of 1037521 is 1257301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1257301 = 599 ⋅2099.

It is a cyclic number.

It is not a de Polignac number, because 1037521 - 2⁵ = 1037489 is a prime.

It is a pancake number, because a pancake can be divided into 1037521 parts by 1440 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031521) 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, 3285 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (261136).

2^1037521 is an apocalyptic number.

It is an amenable number.

1037521 is a deficient number, since it is larger than the sum of its proper divisors (7023).

1037521 is an equidigital number, since it uses as much as digits as its factorization.

1037521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1037521 is about 1018.5877478156. The cubic root of 1037521 is about 101.2353756249.

The spelling of 1037521 in words is "one million, thirty-seven thousand, five hundred twenty-one".