15851052 has 120 divisors (see below), whose sum is σ = 49193760. Its totient is φ = 4354560.

The previous prime is 15851029. The next prime is 15851053. The reversal of 15851052 is 25015851.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15851053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65652 + ... + 65892.

It is an arithmetic number, because the mean of its divisors is an integer number (409948).

Almost surely, 2^15851052 is an apocalyptic number.

15851052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15851052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24596880).

15851052 is an abundant number, since it is smaller than the sum of its proper divisors (33342708).

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

15851052 is a wasteful number, since it uses less digits than its factorization.

15851052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 15851052 is about 3981.3379660612. The cubic root of 15851052 is about 251.1998429618.

The spelling of 15851052 in words is "fifteen million, eight hundred fifty-one thousand, fifty-two".