10521342 has 24 divisors (see below), whose sum is σ = 24550344. Its totient is φ = 3237264.

The previous prime is 10521331. The next prime is 10521359. The reversal of 10521342 is 24312501.

10521342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10521342² = 221397274961928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22248 + ... + 22715.

It is an arithmetic number, because the mean of its divisors is an integer number (1022931).

Almost surely, 2^10521342 is an apocalyptic number.

10521342 is an abundant number, since it is smaller than the sum of its proper divisors (14029002).

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

10521342 is a wasteful number, since it uses less digits than its factorization.

10521342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44984 (or 44981 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10521342 is about 3243.6618196107. The cubic root of 10521342 is about 219.1242180139.

Adding to 10521342 its reverse (24312501), we get a palindrome (34833843).

The spelling of 10521342 in words is "ten million, five hundred twenty-one thousand, three hundred forty-two".