2549402 has 4 divisors (see below), whose sum is σ = 3824106. Its totient is φ = 1274700.

The previous prime is 2549387. The next prime is 2549423. The reversal of 2549402 is 2049452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1825201 + 724201 = 1351^2 + 851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637349 + ... + 637352.

2^2549402 is an apocalyptic number.

2549402 is a deficient number, since it is larger than the sum of its proper divisors (1274704).

2549402 is a wasteful number, since it uses less digits than its factorization.

2549402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274703.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2549402 is about 1596.6846902253. The cubic root of 2549402 is about 136.6090404151.

The spelling of 2549402 in words is "two million, five hundred forty-nine thousand, four hundred two".