2502658 has 4 divisors (see below), whose sum is σ = 3753990. Its totient is φ = 1251328.

The previous prime is 2502649. The next prime is 2502667. The reversal of 2502658 is 8562052.

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

It is an interprime number because it is at equal distance from previous prime (2502649) and next prime (2502667).

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 332929 = 1473^2 + 577^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625663 + ... + 625666.

2^2502658 is an apocalyptic number.

2502658 is a deficient number, since it is larger than the sum of its proper divisors (1251332).

2502658 is a wasteful number, since it uses less digits than its factorization.

2502658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251331.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2502658 is about 1581.9791401912. The cubic root of 2502658 is about 135.7689632735.

It can be divided in two parts, 2502 and 658, that added together give a triangular number (3160 = T₇₉).

The spelling of 2502658 in words is "two million, five hundred two thousand, six hundred fifty-eight".