1026553425 has 24 divisors (see below), whose sum is σ = 1714744416. Its totient is φ = 541847040.

The previous prime is 1026553421. The next prime is 1026553439. The reversal of 1026553425 is 5243556201.

It is not a de Polignac number, because 1026553425 - 2² = 1026553421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1026553421) 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 23 ways as a sum of consecutive naturals, for example, 63279 + ... + 77828.

It is an arithmetic number, because the mean of its divisors is an integer number (71447684).

Almost surely, 2^1026553425 is an apocalyptic number.

1026553425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1026553425 is a deficient number, since it is larger than the sum of its proper divisors (688190991).

1026553425 is a wasteful number, since it uses less digits than its factorization.

1026553425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141217 (or 141212 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1026553425 is about 32039.8724248396. The cubic root of 1026553425 is about 1008.7739345936.

The spelling of 1026553425 in words is "one billion, twenty-six million, five hundred fifty-three thousand, four hundred twenty-five".