1402025 has 6 divisors (see below), whose sum is σ = 1738542. Its totient is φ = 1121600.

The previous prime is 1402019. The next prime is 1402031. The reversal of 1402025 is 5202041.

1402025 = 98² + 99² + ... + 172².

It is an interprime number because it is at equal distance from previous prime (1402019) and next prime (1402031).

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 1401856 = 13^2 + 1184^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1402025 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28016 + ... + 28065.

It is an arithmetic number, because the mean of its divisors is an integer number (289757).

2^1402025 is an apocalyptic number.

It is an amenable number.

1402025 is a deficient number, since it is larger than the sum of its proper divisors (336517).

1402025 is an equidigital number, since it uses as much as digits as its factorization.

1402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56091 (or 56086 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1402025 is about 1184.0713660924. The cubic root of 1402025 is about 111.9228050121.

Adding to 1402025 its reverse (5202041), we get a palindrome (6604066).

The spelling of 1402025 in words is "one million, four hundred two thousand, twenty-five".