1541653212 has 24 divisors (see below), whose sum is σ = 3924208512. Its totient is φ = 467167600.

The previous prime is 1541653207. The next prime is 1541653213. The reversal of 1541653212 is 2123561451.

It is a self number, because there is not a number n which added to its sum of digits gives 1541653212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541653213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839464 + ... + 5839727.

It is an arithmetic number, because the mean of its divisors is an integer number (163508688).

Almost surely, 2^1541653212 is an apocalyptic number.

1541653212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1541653212 is an abundant number, since it is smaller than the sum of its proper divisors (2382555300).

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

1541653212 is a wasteful number, since it uses less digits than its factorization.

1541653212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679209 (or 11679207 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1541653212 is about 39263.8919619541. The cubic root of 1541653212 is about 1155.2134340674.

The spelling of 1541653212 in words is "one billion, five hundred forty-one million, six hundred fifty-three thousand, two hundred twelve".