2651402 has 8 divisors (see below), whose sum is σ = 4283076. Its totient is φ = 1223712.

The previous prime is 2651387. The next prime is 2651413. The reversal of 2651402 is 2041562.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 434281 = 1489^2 + 659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50963 + ... + 51014.

2^2651402 is an apocalyptic number.

2651402 is a deficient number, since it is larger than the sum of its proper divisors (1631674).

2651402 is a wasteful number, since it uses less digits than its factorization.

2651402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101992.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2651402 is about 1628.3126235462. The cubic root of 2651402 is about 138.4071501646.

Adding to 2651402 its reverse (2041562), we get a palindrome (4692964).

The spelling of 2651402 in words is "two million, six hundred fifty-one thousand, four hundred two".