2142053251 has 8 divisors (see below), whose sum is σ = 2307375504. Its totient is φ = 1976809440.

The previous prime is 2142053239. The next prime is 2142053257. The reversal of 2142053251 is 1523502412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142053251 - 2⁵ = 2142053219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142053257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45021 + ... + 79441.

It is an arithmetic number, because the mean of its divisors is an integer number (288421938).

Almost surely, 2^2142053251 is an apocalyptic number.

2142053251 is a deficient number, since it is larger than the sum of its proper divisors (165322253).

2142053251 is a wasteful number, since it uses less digits than its factorization.

2142053251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39221.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2142053251 is about 46282.3211496571. The cubic root of 2142053251 is about 1289.0707509651.

Adding to 2142053251 its reverse (1523502412), we get a palindrome (3665555663).

The spelling of 2142053251 in words is "two billion, one hundred forty-two million, fifty-three thousand, two hundred fifty-one".