1402477 has 2 divisors, whose sum is σ = 1402478. Its totient is φ = 1402476.

The previous prime is 1402459. The next prime is 1402493. The reversal of 1402477 is 7742041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153476 + 249001 = 1074^2 + 499^2 .

It is an emirp because it is prime and its reverse (7742041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402477 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701238 + 701239.

It is an arithmetic number, because the mean of its divisors is an integer number (701239).

2^1402477 is an apocalyptic number.

It is an amenable number.

1402477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402477 is an equidigital number, since it uses as much as digits as its factorization.

1402477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1402477 is about 1184.2622175853. The cubic root of 1402477 is about 111.9348313483.

The spelling of 1402477 in words is "one million, four hundred two thousand, four hundred seventy-seven".