342626261 has 4 divisors (see below), whose sum is σ = 342672000. Its totient is φ = 342580524.

The previous prime is 342626257. The next prime is 342626269. The reversal of 342626261 is 162626243.

342626261 is nontrivially palindromic in base 5.

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.

It is a cyclic number.

It is not a de Polignac number, because 342626261 - 2² = 342626257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342626269) 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, 8711 + ... + 27588.

It is an arithmetic number, because the mean of its divisors is an integer number (85668000).

Almost surely, 2^342626261 is an apocalyptic number.

It is an amenable number.

342626261 is a deficient number, since it is larger than the sum of its proper divisors (45739).

342626261 is an equidigital number, since it uses as much as digits as its factorization.

342626261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45738.

The product of its digits is 20736, while the sum is 32.

The square root of 342626261 is about 18510.1664228067. The cubic root of 342626261 is about 699.7456633833.

The spelling of 342626261 in words is "three hundred forty-two million, six hundred twenty-six thousand, two hundred sixty-one".