1402825427 has 2 divisors, whose sum is σ = 1402825428. Its totient is φ = 1402825426.

The previous prime is 1402825409. The next prime is 1402825447. The reversal of 1402825427 is 7245282041.

It is a weak prime.

It is an emirp because it is prime and its reverse (7245282041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402825427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402825447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701412713 + 701412714.

It is an arithmetic number, because the mean of its divisors is an integer number (701412714).

Almost surely, 2^1402825427 is an apocalyptic number.

1402825427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402825427 is an equidigital number, since it uses as much as digits as its factorization.

1402825427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 1402825427 is about 37454.3111937731. The cubic root of 1402825427 is about 1119.4410016062.

The spelling of 1402825427 in words is "one billion, four hundred two million, eight hundred twenty-five thousand, four hundred twenty-seven".