1421250353 has 2 divisors, whose sum is σ = 1421250354. Its totient is φ = 1421250352.

The previous prime is 1421250329. The next prime is 1421250367. The reversal of 1421250353 is 3530521241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1412857744 + 8392609 = 37588^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421250353 - 2⁶ = 1421250289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421250373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710625176 + 710625177.

It is an arithmetic number, because the mean of its divisors is an integer number (710625177).

Almost surely, 2^1421250353 is an apocalyptic number.

It is an amenable number.

1421250353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421250353 is an equidigital number, since it uses as much as digits as its factorization.

1421250353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1421250353 is about 37699.4741740518. The cubic root of 1421250353 is about 1124.3206704960.

Adding to 1421250353 its reverse (3530521241), we get a palindrome (4951771594).

The spelling of 1421250353 in words is "one billion, four hundred twenty-one million, two hundred fifty thousand, three hundred fifty-three".