2352458021 has 2 divisors, whose sum is σ = 2352458022. Its totient is φ = 2352458020.

The previous prime is 2352457973. The next prime is 2352458029. The reversal of 2352458021 is 1208542532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1839208996 + 513249025 = 42886^2 + 22655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2352458021 - 2²² = 2348263717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2352458029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176229010 + 1176229011.

It is an arithmetic number, because the mean of its divisors is an integer number (1176229011).

Almost surely, 2^2352458021 is an apocalyptic number.

It is an amenable number.

2352458021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2352458021 is an equidigital number, since it uses as much as digits as its factorization.

2352458021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2352458021 is about 48502.1444989807. The cubic root of 2352458021 is about 1329.9662721581.

The spelling of 2352458021 in words is "two billion, three hundred fifty-two million, four hundred fifty-eight thousand, twenty-one".