1025237 has 4 divisors (see below), whose sum is σ = 1060620. Its totient is φ = 989856.

The previous prime is 1025231. The next prime is 1025239. The reversal of 1025237 is 7325201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 152881 = 934^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025237 - 2¹⁴ = 1008853 is a prime.

It is a super-2 number, since 2×1025237² = 2102221812338, 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 (1025231) 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, 17648 + ... + 17705.

It is an arithmetic number, because the mean of its divisors is an integer number (265155).

2^1025237 is an apocalyptic number.

It is an amenable number.

1025237 is a deficient number, since it is larger than the sum of its proper divisors (35383).

1025237 is an equidigital number, since it uses as much as digits as its factorization.

1025237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35382.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1025237 is about 1012.5398757580. The cubic root of 1025237 is about 100.8342541788.

The spelling of 1025237 in words is "one million, twenty-five thousand, two hundred thirty-seven".