1025331 has 4 divisors (see below), whose sum is σ = 1367112. Its totient is φ = 683552.

The previous prime is 1025327. The next prime is 1025333. The reversal of 1025331 is 1335201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1025331 - 2² = 1025327 is a prime.

It is a super-2 number, since 2×1025331² = 2102607319122, which contains 22 as substring.

It is a D-number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1025331.

It is not an unprimeable number, because it can be changed into a prime (1025333) 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, 170886 + ... + 170891.

It is an arithmetic number, because the mean of its divisors is an integer number (341778).

2^1025331 is an apocalyptic number.

1025331 is a deficient number, since it is larger than the sum of its proper divisors (341781).

1025331 is an equidigital number, since it uses as much as digits as its factorization.

1025331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341780.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1025331 is about 1012.5862926191. The cubic root of 1025331 is about 100.8373357851.

The spelling of 1025331 in words is "one million, twenty-five thousand, three hundred thirty-one".