260972069 has 4 divisors (see below), whose sum is σ = 262534944. Its totient is φ = 259409196.

The previous prime is 260972039. The next prime is 260972077. The reversal of 260972069 is 960279062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960279062 = 2 ⋅480139531.

It is a cyclic number.

It is not a de Polignac number, because 260972069 - 2⁸ = 260971813 is a prime.

It is a super-2 number, since 2×260972069² = 136212841596281522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260972039) 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, 781187 + ... + 781520.

It is an arithmetic number, because the mean of its divisors is an integer number (65633736).

Almost surely, 2^260972069 is an apocalyptic number.

It is an amenable number.

260972069 is a deficient number, since it is larger than the sum of its proper divisors (1562875).

260972069 is a wasteful number, since it uses less digits than its factorization.

260972069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562874.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 260972069 is about 16154.6299555267. The cubic root of 260972069 is about 639.0448553490.

The spelling of 260972069 in words is "two hundred sixty million, nine hundred seventy-two thousand, sixty-nine".