51225002 has 8 divisors (see below), whose sum is σ = 80178336. Its totient is φ = 24498892.

The previous prime is 51224963. The next prime is 51225023. The reversal of 51225002 is 20052215.

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, 556748 + ... + 556839.

It is an arithmetic number, because the mean of its divisors is an integer number (10022292).

Almost surely, 2^51225002 is an apocalyptic number.

51225002 is a deficient number, since it is larger than the sum of its proper divisors (28953334).

51225002 is a wasteful number, since it uses less digits than its factorization.

51225002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113612.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 51225002 is about 7157.1643826309. The cubic root of 51225002 is about 371.3875390429.

Adding to 51225002 its reverse (20052215), we get a palindrome (71277217).

The spelling of 51225002 in words is "fifty-one million, two hundred twenty-five thousand, two".