651033242 has 16 divisors (see below), whose sum is σ = 996129792. Its totient is φ = 319052160.

The previous prime is 651033221. The next prime is 651033281. The reversal of 651033242 is 242330156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642 + ... + 36522.

It is an arithmetic number, because the mean of its divisors is an integer number (62258112).

Almost surely, 2^651033242 is an apocalyptic number.

651033242 is a deficient number, since it is larger than the sum of its proper divisors (345096550).

651033242 is a wasteful number, since it uses less digits than its factorization.

651033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31093.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 651033242 is about 25515.3530643807. The cubic root of 651033242 is about 866.6978544661.

Adding to 651033242 its reverse (242330156), we get a palindrome (893363398).

The spelling of 651033242 in words is "six hundred fifty-one million, thirty-three thousand, two hundred forty-two".