1541551332 has 24 divisors (see below), whose sum is σ = 3642486400. Its totient is φ = 507345696.

The previous prime is 1541551331. The next prime is 1541551369. The reversal of 1541551332 is 2331551451.

1541551332 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1541551332.

It is not an unprimeable number, because it can be changed into a prime (1541551331) 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, 812107 + ... + 814002.

Almost surely, 2^1541551332 is an apocalyptic number.

1541551332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1541551332 is an abundant number, since it is smaller than the sum of its proper divisors (2100935068).

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

1541551332 is a wasteful number, since it uses less digits than its factorization.

1541551332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626195 (or 1626193 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1541551332 is about 39262.5945653111. The cubic root of 1541551332 is about 1155.1879861183.

The spelling of 1541551332 in words is "one billion, five hundred forty-one million, five hundred fifty-one thousand, three hundred thirty-two".