2052612421 has 2 divisors, whose sum is σ = 2052612422. Its totient is φ = 2052612420.

The previous prime is 2052612413. The next prime is 2052612433. The reversal of 2052612421 is 1242162502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1710732321 + 341880100 = 41361^2 + 18490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052612421 - 2³ = 2052612413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2052612451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026306210 + 1026306211.

It is an arithmetic number, because the mean of its divisors is an integer number (1026306211).

Almost surely, 2^2052612421 is an apocalyptic number.

It is an amenable number.

2052612421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052612421 is an equidigital number, since it uses as much as digits as its factorization.

2052612421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2052612421 is about 45305.7658692577. The cubic root of 2052612421 is about 1270.8734811871.

Adding to 2052612421 its reverse (1242162502), we get a palindrome (3294774923).

The spelling of 2052612421 in words is "two billion, fifty-two million, six hundred twelve thousand, four hundred twenty-one".