1025105331 has 8 divisors (see below), whose sum is σ = 1426233600. Its totient is φ = 653690312.

The previous prime is 1025105267. The next prime is 1025105339. The reversal of 1025105331 is 1335015201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025105331 - 2⁶ = 1025105267 is a prime.

It is a super-2 number, since 2×1025105331² = 2101681879289239122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025105298 and 1025105307.

It is not an unprimeable number, because it can be changed into a prime (1025105339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7428231 + ... + 7428368.

It is an arithmetic number, because the mean of its divisors is an integer number (178279200).

Almost surely, 2^1025105331 is an apocalyptic number.

1025105331 is a deficient number, since it is larger than the sum of its proper divisors (401128269).

1025105331 is a wasteful number, since it uses less digits than its factorization.

1025105331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856625.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1025105331 is about 32017.2661387571. The cubic root of 1025105331 is about 1008.2993735134.

The spelling of 1025105331 in words is "one billion, twenty-five million, one hundred five thousand, three hundred thirty-one".