651047523 has 64 divisors (see below), whose sum is σ = 1064632320. Its totient is φ = 346032000.

The previous prime is 651047503. The next prime is 651047533. The reversal of 651047523 is 325740156.

651047523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 651047523 - 2⁶ = 651047459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651047503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3637048 + ... + 3637226.

It is an arithmetic number, because the mean of its divisors is an integer number (16634880).

Almost surely, 2^651047523 is an apocalyptic number.

651047523 is a deficient number, since it is larger than the sum of its proper divisors (413584797).

651047523 is a wasteful number, since it uses less digits than its factorization.

651047523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 651047523 is about 25515.6329139608. The cubic root of 651047523 is about 866.7041916855.

Adding to 651047523 its reverse (325740156), we get a palindrome (976787679).

It can be divided in two parts, 65104 and 7523, that added together give a palindrome (72627).

The spelling of 651047523 in words is "six hundred fifty-one million, forty-seven thousand, five hundred twenty-three".