1541552 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 714560.

The previous prime is 1541539. The next prime is 1541581. The reversal of 1541552 is 2551451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21677 + ... + 21747.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2^1541552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1541552 is an abundant number, since it is smaller than the sum of its proper divisors (1672528).

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

1541552 is a wasteful number, since it uses less digits than its factorization.

1541552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 1541552 is about 1241.5925257507. The cubic root of 1541552 is about 115.5188152977.

The spelling of 1541552 in words is "one million, five hundred forty-one thousand, five hundred fifty-two".