1551252002 has 8 divisors (see below), whose sum is σ = 2341699356. Its totient is φ = 770685552.

The previous prime is 1551251987. The next prime is 1551252019. The reversal of 1551252002 is 2002521551.

It can be written as a sum of positive squares in 2 ways, for example, as 1528106281 + 23145721 = 39091^2 + 4811^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469833 + ... + 2470460.

Almost surely, 2^1551252002 is an apocalyptic number.

1551252002 is a deficient number, since it is larger than the sum of its proper divisors (790447354).

1551252002 is a wasteful number, since it uses less digits than its factorization.

1551252002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940452.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1551252002 is about 39385.9366017872. The cubic root of 1551252002 is about 1157.6060423415.

Adding to 1551252002 its reverse (2002521551), we get a palindrome (3553773553).

The spelling of 1551252002 in words is "one billion, five hundred fifty-one million, two hundred fifty-two thousand, two".