1395884507 has 2 divisors, whose sum is σ = 1395884508. Its totient is φ = 1395884506.

The previous prime is 1395884473. The next prime is 1395884527. The reversal of 1395884507 is 7054885931.

It is a strong prime.

It is an emirp because it is prime and its reverse (7054885931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1395884507 - 2¹⁰ = 1395883483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1395884527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697942253 + 697942254.

It is an arithmetic number, because the mean of its divisors is an integer number (697942254).

Almost surely, 2^1395884507 is an apocalyptic number.

1395884507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395884507 is an equidigital number, since it uses as much as digits as its factorization.

1395884507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 1395884507 is about 37361.5378029331. The cubic root of 1395884507 is about 1117.5916860781.

The spelling of 1395884507 in words is "one billion, three hundred ninety-five million, eight hundred eighty-four thousand, five hundred seven".