259261434 has 24 divisors (see below), whose sum is σ = 564195060. Its totient is φ = 86041728.

The previous prime is 259261427. The next prime is 259261439. The reversal of 259261434 is 434162952.

It is a happy number.

259261434 is a `hidden beast` number, since 2 + 5 + 9 + 2 + 614 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 229613409 + 29648025 = 15153^2 + 5445^2 .

It is not an unprimeable number, because it can be changed into a prime (259261439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27327 + ... + 35570.

Almost surely, 2^259261434 is an apocalyptic number.

259261434 is an abundant number, since it is smaller than the sum of its proper divisors (304933626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259261434 is a wasteful number, since it uses less digits than its factorization.

259261434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63134 (or 63131 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 259261434 is about 16101.5972499625. The cubic root of 259261434 is about 637.6455104984.

The spelling of 259261434 in words is "two hundred fifty-nine million, two hundred sixty-one thousand, four hundred thirty-four".