2052156254 has 4 divisors (see below), whose sum is σ = 3078234384. Its totient is φ = 1026078126.

The previous prime is 2052156233. The next prime is 2052156269. The reversal of 2052156254 is 4526512502.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2052156254² = 8422690581662625032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2052156254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513039062 + ... + 513039065.

It is an arithmetic number, because the mean of its divisors is an integer number (769558596).

Almost surely, 2^2052156254 is an apocalyptic number.

2052156254 is a deficient number, since it is larger than the sum of its proper divisors (1026078130).

2052156254 is a wasteful number, since it uses less digits than its factorization.

2052156254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026078129.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2052156254 is about 45300.7312744507. The cubic root of 2052156254 is about 1270.7793290571.

Adding to 2052156254 its reverse (4526512502), we get a palindrome (6578668756).

The spelling of 2052156254 in words is "two billion, fifty-two million, one hundred fifty-six thousand, two hundred fifty-four".