1020537 has 24 divisors (see below), whose sum is σ = 1712256. Its totient is φ = 573696.

The previous prime is 1020529. The next prime is 1020541. The reversal of 1020537 is 7350201.

It is not a de Polignac number, because 1020537 - 2³ = 1020529 is a prime.

1020537 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1020517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6028 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (71344).

2^1020537 is an apocalyptic number.

It is an amenable number.

1020537 is a deficient number, since it is larger than the sum of its proper divisors (691719).

1020537 is a wasteful number, since it uses less digits than its factorization.

1020537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1020537 is about 1010.2163134695. The cubic root of 1020537 is about 100.6799330985.

Adding to 1020537 its reverse (7350201), we get a palindrome (8370738).

The spelling of 1020537 in words is "one million, twenty thousand, five hundred thirty-seven".