157053217 has 2 divisors, whose sum is σ = 157053218. Its totient is φ = 157053216.

The previous prime is 157053203. The next prime is 157053233. The reversal of 157053217 is 712350751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141991056 + 15062161 = 11916^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 157053217 - 2¹⁹ = 156528929 is a prime.

It is not a weakly prime, because it can be changed into another prime (157053277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78526608 + 78526609.

It is an arithmetic number, because the mean of its divisors is an integer number (78526609).

Almost surely, 2^157053217 is an apocalyptic number.

It is an amenable number.

157053217 is a deficient number, since it is larger than the sum of its proper divisors (1).

157053217 is an equidigital number, since it uses as much as digits as its factorization.

157053217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 157053217 is about 12532.0874957048. The cubic root of 157053217 is about 539.5300174582.

The spelling of 157053217 in words is "one hundred fifty-seven million, fifty-three thousand, two hundred seventeen".