1355245057 has 8 divisors (see below), whose sum is σ = 1372752576. Its totient is φ = 1337821392.

The previous prime is 1355245051. The next prime is 1355245093. The reversal of 1355245057 is 7505425531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355245057 - 2⁷ = 1355244929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355245051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11898 + ... + 53404.

It is an arithmetic number, because the mean of its divisors is an integer number (171594072).

Almost surely, 2^1355245057 is an apocalyptic number.

It is an amenable number.

1355245057 is a deficient number, since it is larger than the sum of its proper divisors (17507519).

1355245057 is a wasteful number, since it uses less digits than its factorization.

1355245057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41927.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 1355245057 is about 36813.6531330429. The cubic root of 1355245057 is about 1106.6389299168.

The spelling of 1355245057 in words is "one billion, three hundred fifty-five million, two hundred forty-five thousand, fifty-seven".