651537460 has 48 divisors (see below), whose sum is σ = 1567399680. Its totient is φ = 222854400.

The previous prime is 651537389. The next prime is 651537463. The reversal of 651537460 is 64735156.

651537460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651537463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56160 + ... + 66760.

It is an arithmetic number, because the mean of its divisors is an integer number (32654160).

Almost surely, 2^651537460 is an apocalyptic number.

It is an amenable number.

651537460 is an abundant number, since it is smaller than the sum of its proper divisors (915862220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651537460 is a wasteful number, since it uses less digits than its factorization.

651537460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056 (or 11054 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 651537460 is about 25525.2318304849. The cubic root of 651537460 is about 866.9215460078.

The spelling of 651537460 in words is "six hundred fifty-one million, five hundred thirty-seven thousand, four hundred sixty".