1026825551 has 16 divisors (see below), whose sum is σ = 1110412800. Its totient is φ = 945904128.

The previous prime is 1026825539. The next prime is 1026825559. The reversal of 1026825551 is 1555286201.

It is a cyclic number.

It is not a de Polignac number, because 1026825551 - 2⁶ = 1026825487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026825559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457490 + ... + 459728.

It is an arithmetic number, because the mean of its divisors is an integer number (69400800).

Almost surely, 2^1026825551 is an apocalyptic number.

1026825551 is a deficient number, since it is larger than the sum of its proper divisors (83587249).

1026825551 is a wasteful number, since it uses less digits than its factorization.

1026825551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1026825551 is about 32044.1188207758. The cubic root of 1026825551 is about 1008.8630643476.

The spelling of 1026825551 in words is "one billion, twenty-six million, eight hundred twenty-five thousand, five hundred fifty-one".