1255562002 has 4 divisors (see below), whose sum is σ = 1883343006. Its totient is φ = 627781000.

The previous prime is 1255561991. The next prime is 1255562003. The reversal of 1255562002 is 2002655521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002655521 = 31 ⋅64601791.

It can be written as a sum of positive squares in only one way, i.e., 1080502641 + 175059361 = 32871^2 + 13231^2 .

It is not an unprimeable number, because it can be changed into a prime (1255562003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313890499 + ... + 313890502.

Almost surely, 2^1255562002 is an apocalyptic number.

1255562002 is a deficient number, since it is larger than the sum of its proper divisors (627781004).

1255562002 is an equidigital number, since it uses as much as digits as its factorization.

1255562002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627781003.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1255562002 is about 35433.9103402376. The cubic root of 1255562002 is about 1078.8127104443.

The spelling of 1255562002 in words is "one billion, two hundred fifty-five million, five hundred sixty-two thousand, two".