651048432 has 20 divisors (see below), whose sum is σ = 1681875240. Its totient is φ = 217016128.

The previous prime is 651048427. The next prime is 651048457. The reversal of 651048432 is 234840156.

It is a junction number, because it is equal to n+sod(n) for n = 651048393 and 651048402.

It is a congruent number.

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, 6781707 + ... + 6781802.

It is an arithmetic number, because the mean of its divisors is an integer number (84093762).

Almost surely, 2^651048432 is an apocalyptic number.

It is an amenable number.

651048432 is an abundant number, since it is smaller than the sum of its proper divisors (1030826808).

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

651048432 is a wasteful number, since it uses less digits than its factorization.

651048432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563520 (or 13563514 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 651048432 is about 25515.6507265639. The cubic root of 651048432 is about 866.7045950528.

Adding to 651048432 its reverse (234840156), we get a palindrome (885888588).

It can be divided in two parts, 65104 and 8432, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 651048432 in words is "six hundred fifty-one million, forty-eight thousand, four hundred thirty-two".