261460039 has 2 divisors, whose sum is σ = 261460040. Its totient is φ = 261460038.

The previous prime is 261460033. The next prime is 261460097. The reversal of 261460039 is 930064162.

261460039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261460039 - 2¹³ = 261451847 is a prime.

It is a super-2 number, since 2×261460039² = 136722703987763042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261460033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130730019 + 130730020.

It is an arithmetic number, because the mean of its divisors is an integer number (130730020).

Almost surely, 2^261460039 is an apocalyptic number.

261460039 is a deficient number, since it is larger than the sum of its proper divisors (1).

261460039 is an equidigital number, since it uses as much as digits as its factorization.

261460039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 261460039 is about 16169.7260026260. The cubic root of 261460039 is about 639.4429063269.

The spelling of 261460039 in words is "two hundred sixty-one million, four hundred sixty thousand, thirty-nine".