1051513542 has 64 divisors (see below), whose sum is σ = 2491008000. Its totient is φ = 327828384.

The previous prime is 1051513537. The next prime is 1051513543. The reversal of 1051513542 is 2453151501.

1051513542 is a `hidden beast` number, since 10 + 515 + 135 + 4 + 2 = 666.

It is a super-2 number, since 2×1051513542² = 2211361458018771528, which contains 22 as substring.

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 (1051513543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74568 + ... + 87540.

It is an arithmetic number, because the mean of its divisors is an integer number (38922000).

Almost surely, 2^1051513542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051513542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245504000).

1051513542 is an abundant number, since it is smaller than the sum of its proper divisors (1439494458).

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

1051513542 is a wasteful number, since it uses less digits than its factorization.

1051513542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082 (or 13076 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1051513542 is about 32427.0495420104. The cubic root of 1051513542 is about 1016.8844901485.

The spelling of 1051513542 in words is "one billion, fifty-one million, five hundred thirteen thousand, five hundred forty-two".