2102552542 has 16 divisors (see below), whose sum is σ = 3176605440. Its totient is φ = 1043710488.

The previous prime is 2102552533. The next prime is 2102552561. The reversal of 2102552542 is 2452552012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102552542.

It is a congruent number.

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, 160309 + ... + 172927.

It is an arithmetic number, because the mean of its divisors is an integer number (198537840).

Almost surely, 2^2102552542 is an apocalyptic number.

2102552542 is a deficient number, since it is larger than the sum of its proper divisors (1074052898).

2102552542 is a wasteful number, since it uses less digits than its factorization.

2102552542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2102552542 is about 45853.5990081477. The cubic root of 2102552542 is about 1281.0978012763.

The spelling of 2102552542 in words is "two billion, one hundred two million, five hundred fifty-two thousand, five hundred forty-two".