260763431 has 4 divisors (see below), whose sum is σ = 262074000. Its totient is φ = 259452864.

The previous prime is 260763401. The next prime is 260763463. The reversal of 260763431 is 134367062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134367062 = 2 ⋅67183531.

It is a cyclic number.

It is not a de Polignac number, because 260763431 - 2⁶ = 260763367 is a prime.

It is a super-2 number, since 2×260763431² = 135995133893783522, 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 (260763401) 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, 654986 + ... + 655383.

It is an arithmetic number, because the mean of its divisors is an integer number (65518500).

Almost surely, 2^260763431 is an apocalyptic number.

260763431 is a deficient number, since it is larger than the sum of its proper divisors (1310569).

260763431 is a wasteful number, since it uses less digits than its factorization.

260763431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310568.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 260763431 is about 16148.1711348375. The cubic root of 260763431 is about 638.8745119767.

The spelling of 260763431 in words is "two hundred sixty million, seven hundred sixty-three thousand, four hundred thirty-one".