259041428 has 6 divisors (see below), whose sum is σ = 453322506. Its totient is φ = 129520712.

The previous prime is 259041397. The next prime is 259041437. The reversal of 259041428 is 824140952.

It can be written as a sum of positive squares in only one way, i.e., 225840784 + 33200644 = 15028^2 + 5762^2 .

It is a super-2 number, since 2×259041428² = 134204922840558368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32380175 + ... + 32380182.

It is an arithmetic number, because the mean of its divisors is an integer number (75553751).

Almost surely, 2^259041428 is an apocalyptic number.

It is an amenable number.

259041428 is a deficient number, since it is larger than the sum of its proper divisors (194281078).

259041428 is a wasteful number, since it uses less digits than its factorization.

259041428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64760361 (or 64760359 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 259041428 is about 16094.7639932992. The cubic root of 259041428 is about 637.4650934623.

The spelling of 259041428 in words is "two hundred fifty-nine million, forty-one thousand, four hundred twenty-eight".