157207 has 2 divisors, whose sum is σ = 157208. Its totient is φ = 157206.

The previous prime is 157189. The next prime is 157211. The reversal of 157207 is 702751.

157207 is nontrivially palindromic in base 7.

157207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78603 + 78604.

It is an arithmetic number, because the mean of its divisors is an integer number (78604).

2¹⁵⁷²⁰⁷ is an apocalyptic number.

157207 is a deficient number, since it is larger than the sum of its proper divisors (1).

157207 is an equidigital number, since it uses as much as digits as its factorization.

157207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 157207 is about 396.4933795160. The cubic root of 157207 is about 53.9706058590.

Adding to 157207 its reverse (702751), we get a palindrome (859958).

The spelling of 157207 in words is "one hundred fifty-seven thousand, two hundred seven".