1417921357 has 2 divisors, whose sum is σ = 1417921358. Its totient is φ = 1417921356.

The previous prime is 1417921283. The next prime is 1417921387. The reversal of 1417921357 is 7531297141.

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., 780308356 + 637613001 = 27934^2 + 25251^2 .

It is an emirp because it is prime and its reverse (7531297141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1417921357 - 2²³ = 1409532749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1417921387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 708960678 + 708960679.

It is an arithmetic number, because the mean of its divisors is an integer number (708960679).

Almost surely, 2^1417921357 is an apocalyptic number.

It is an amenable number.

1417921357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1417921357 is an equidigital number, since it uses as much as digits as its factorization.

1417921357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The square root of 1417921357 is about 37655.2965331572. The cubic root of 1417921357 is about 1123.4421517757.

The spelling of 1417921357 in words is "one billion, four hundred seventeen million, nine hundred twenty-one thousand, three hundred fifty-seven".