1426881525 has 12 divisors (see below), whose sum is σ = 2359110912. Its totient is φ = 761003440.

The previous prime is 1426881517. The next prime is 1426881563. The reversal of 1426881525 is 5251886241.

It is not a de Polignac number, because 1426881525 - 2³ = 1426881517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9512469 + ... + 9512618.

It is an arithmetic number, because the mean of its divisors is an integer number (196592576).

Almost surely, 2^1426881525 is an apocalyptic number.

1426881525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426881525 is a deficient number, since it is larger than the sum of its proper divisors (932229387).

1426881525 is a wasteful number, since it uses less digits than its factorization.

1426881525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19025100 (or 19025095 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The square root of 1426881525 is about 37774.0853628516. The cubic root of 1426881525 is about 1125.8036134780.

The spelling of 1426881525 in words is "one billion, four hundred twenty-six million, eight hundred eighty-one thousand, five hundred twenty-five".