651210045 has 8 divisors (see below), whose sum is σ = 1041936096. Its totient is φ = 347312016.

The previous prime is 651210037. The next prime is 651210067. The reversal of 651210045 is 540012156.

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

It is not a de Polignac number, because 651210045 - 2³ = 651210037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651209997 and 651210024.

It is a congruent number.

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, 21706987 + ... + 21707016.

It is an arithmetic number, because the mean of its divisors is an integer number (130242012).

Almost surely, 2^651210045 is an apocalyptic number.

It is an amenable number.

651210045 is a deficient number, since it is larger than the sum of its proper divisors (390726051).

651210045 is a wasteful number, since it uses less digits than its factorization.

651210045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43414011.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 651210045 is about 25518.8174686838. The cubic root of 651210045 is about 866.7763045879.

The spelling of 651210045 in words is "six hundred fifty-one million, two hundred ten thousand, forty-five".