34212557 has 4 divisors (see below), whose sum is σ = 34694496. Its totient is φ = 33730620.

The previous prime is 34212539. The next prime is 34212571. The reversal of 34212557 is 75521243.

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: 75521243 = 7 ⋅10788749.

It is a cyclic number.

It is not a de Polignac number, because 34212557 - 2⁸ = 34212301 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 (34212527) 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, 240863 + ... + 241004.

It is an arithmetic number, because the mean of its divisors is an integer number (8673624).

Almost surely, 2^34212557 is an apocalyptic number.

It is an amenable number.

34212557 is a deficient number, since it is larger than the sum of its proper divisors (481939).

34212557 is an equidigital number, since it uses as much as digits as its factorization.

34212557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481938.

The product of its digits is 8400, while the sum is 29.

The square root of 34212557 is about 5849.1501092039. The cubic root of 34212557 is about 324.6348783201.

The spelling of 34212557 in words is "thirty-four million, two hundred twelve thousand, five hundred fifty-seven".