207055457 has 4 divisors (see below), whose sum is σ = 236634816. Its totient is φ = 177476100.

The previous prime is 207055439. The next prime is 207055469. The reversal of 207055457 is 754550702.

It is a happy number.

207055457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 754550702 = 2 ⋅377275351.

It is a cyclic number.

It is not a de Polignac number, because 207055457 - 2¹⁸ = 206793313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207051457) 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, 14789669 + ... + 14789682.

It is an arithmetic number, because the mean of its divisors is an integer number (59158704).

Almost surely, 2^207055457 is an apocalyptic number.

It is an amenable number.

207055457 is a deficient number, since it is larger than the sum of its proper divisors (29579359).

207055457 is an equidigital number, since it uses as much as digits as its factorization.

207055457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29579358.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 207055457 is about 14389.4217048497. The cubic root of 207055457 is about 591.6009921241.

It can be divided in two parts, 20705 and 5457, that added together give a palindrome (26162).

The spelling of 207055457 in words is "two hundred seven million, fifty-five thousand, four hundred fifty-seven".