355157953 has 2 divisors, whose sum is σ = 355157954. Its totient is φ = 355157952.

The previous prime is 355157911. The next prime is 355157987. The reversal of 355157953 is 359751553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252905409 + 102252544 = 15903^2 + 10112^2 .

It is a cyclic number.

It is not a de Polignac number, because 355157953 - 2⁹ = 355157441 is a prime.

It is a super-2 number, since 2×355157953² = 252274343158300418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355154953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177578976 + 177578977.

It is an arithmetic number, because the mean of its divisors is an integer number (177578977).

Almost surely, 2^355157953 is an apocalyptic number.

It is an amenable number.

355157953 is a deficient number, since it is larger than the sum of its proper divisors (1).

355157953 is an equidigital number, since it uses as much as digits as its factorization.

355157953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 354375, while the sum is 43.

The square root of 355157953 is about 18845.6348526655. The cubic root of 355157953 is about 708.1748752752.

It can be divided in two parts, 3551 and 57953, that added together give a square (61504 = 248²).

The spelling of 355157953 in words is "three hundred fifty-five million, one hundred fifty-seven thousand, nine hundred fifty-three".