1354013021 has 2 divisors, whose sum is σ = 1354013022. Its totient is φ = 1354013020.

The previous prime is 1354012997. The next prime is 1354013029. The reversal of 1354013021 is 1203104531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 834400996 + 519612025 = 28886^2 + 22795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354013021 is a prime.

It is a super-2 number, since 2×1354013021² = 3666702522075092882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1354012984 and 1354013002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677006510 + 677006511.

It is an arithmetic number, because the mean of its divisors is an integer number (677006511).

Almost surely, 2^1354013021 is an apocalyptic number.

It is an amenable number.

1354013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354013021 is an equidigital number, since it uses as much as digits as its factorization.

1354013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1354013021 is about 36796.9159169624. The cubic root of 1354013021 is about 1106.3034844666.

Adding to 1354013021 its reverse (1203104531), we get a palindrome (2557117552).

The spelling of 1354013021 in words is "one billion, three hundred fifty-four million, thirteen thousand, twenty-one".