261024059 has 4 divisors (see below), whose sum is σ = 261148680. Its totient is φ = 260899440.

The previous prime is 261024019. The next prime is 261024077. The reversal of 261024059 is 950420162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 261024059 - 2¹² = 261019963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261024019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59114 + ... + 63375.

It is an arithmetic number, because the mean of its divisors is an integer number (65287170).

Almost surely, 2^261024059 is an apocalyptic number.

261024059 is a deficient number, since it is larger than the sum of its proper divisors (124621).

261024059 is a wasteful number, since it uses less digits than its factorization.

261024059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124620.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 261024059 is about 16156.2390116017. The cubic root of 261024059 is about 639.0872886717.

The spelling of 261024059 in words is "two hundred sixty-one million, twenty-four thousand, fifty-nine".