1421362357 has 2 divisors, whose sum is σ = 1421362358. Its totient is φ = 1421362356.

The previous prime is 1421362351. The next prime is 1421362361. The reversal of 1421362357 is 7532631241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1384286436 + 37075921 = 37206^2 + 6089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421362357 - 2²⁷ = 1287144629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421362351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710681178 + 710681179.

It is an arithmetic number, because the mean of its divisors is an integer number (710681179).

Almost surely, 2^1421362357 is an apocalyptic number.

It is an amenable number.

1421362357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421362357 is an equidigital number, since it uses as much as digits as its factorization.

1421362357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 1421362357 is about 37700.9596296964. The cubic root of 1421362357 is about 1124.3502043742.

Adding to 1421362357 its reverse (7532631241), we get a palindrome (8953993598).

The spelling of 1421362357 in words is "one billion, four hundred twenty-one million, three hundred sixty-two thousand, three hundred fifty-seven".