2352772421 has 2 divisors, whose sum is σ = 2352772422. Its totient is φ = 2352772420.

The previous prime is 2352772397. The next prime is 2352772439. The reversal of 2352772421 is 1242772532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1852355521 + 500416900 = 43039^2 + 22370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2352772421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2352772321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176386210 + 1176386211.

It is an arithmetic number, because the mean of its divisors is an integer number (1176386211).

Almost surely, 2^2352772421 is an apocalyptic number.

It is an amenable number.

2352772421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2352772421 is an equidigital number, since it uses as much as digits as its factorization.

2352772421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 2352772421 is about 48505.3854845006. The cubic root of 2352772421 is about 1330.0255183828.

The spelling of 2352772421 in words is "two billion, three hundred fifty-two million, seven hundred seventy-two thousand, four hundred twenty-one".