1025042231 has 8 divisors (see below), whose sum is σ = 1043687664. Its totient is φ = 1006456320.

The previous prime is 1025042201. The next prime is 1025042269. The reversal of 1025042231 is 1322405201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025042231 is a prime.

It is a super-2 number, since 2×1025042231² = 2101423150666914722, 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 (1025042201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20636 + ... + 49758.

It is an arithmetic number, because the mean of its divisors is an integer number (130460958).

Almost surely, 2^1025042231 is an apocalyptic number.

1025042231 is a deficient number, since it is larger than the sum of its proper divisors (18645433).

1025042231 is an equidigital number, since it uses as much as digits as its factorization.

1025042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29761.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1025042231 is about 32016.2807177848. The cubic root of 1025042231 is about 1008.2786845839.

Adding to 1025042231 its reverse (1322405201), we get a palindrome (2347447432).

The spelling of 1025042231 in words is "one billion, twenty-five million, forty-two thousand, two hundred thirty-one".