1401025393 has 2 divisors, whose sum is σ = 1401025394. Its totient is φ = 1401025392.

The previous prime is 1401025343. The next prime is 1401025489. The reversal of 1401025393 is 3935201041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391886864 + 9138529 = 37308^2 + 3023^2 .

It is an emirp because it is prime and its reverse (3935201041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401025393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401025343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700512696 + 700512697.

It is an arithmetic number, because the mean of its divisors is an integer number (700512697).

Almost surely, 2^1401025393 is an apocalyptic number.

It is an amenable number.

1401025393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401025393 is an equidigital number, since it uses as much as digits as its factorization.

1401025393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1401025393 is about 37430.2737500008. The cubic root of 1401025393 is about 1118.9619934792.

The spelling of 1401025393 in words is "one billion, four hundred one million, twenty-five thousand, three hundred ninety-three".