1257015483 has 16 divisors (see below), whose sum is σ = 1866057600. Its totient is φ = 836294760.

The previous prime is 1257015457. The next prime is 1257015493. The reversal of 1257015483 is 3845107521.

1257015483 is a `hidden beast` number, since 1 + 2 + 570 + 1 + 5 + 4 + 83 = 666.

It is not a de Polignac number, because 1257015483 - 2⁹ = 1257014971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1257015443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34153 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (116628600).

Almost surely, 2^1257015483 is an apocalyptic number.

1257015483 is a deficient number, since it is larger than the sum of its proper divisors (609042117).

1257015483 is an equidigital number, since it uses as much as digits as its factorization.

1257015483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95319 (or 95313 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1257015483 is about 35454.4141539527. The cubic root of 1257015483 is about 1079.2288399263.

The spelling of 1257015483 in words is "one billion, two hundred fifty-seven million, fifteen thousand, four hundred eighty-three".