2500994 has 4 divisors (see below), whose sum is σ = 3751494. Its totient is φ = 1250496.

The previous prime is 2500973. The next prime is 2500999. The reversal of 2500994 is 4990052.

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., 1408969 + 1092025 = 1187^2 + 1045^2 .

It is not an unprimeable number, because it can be changed into a prime (2500999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625247 + ... + 625250.

2^2500994 is an apocalyptic number.

2500994 is a deficient number, since it is larger than the sum of its proper divisors (1250500).

2500994 is a wasteful number, since it uses less digits than its factorization.

2500994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250499.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2500994 is about 1581.4531292454. The cubic root of 2500994 is about 135.7388659871.

The spelling of 2500994 in words is "two million, five hundred thousand, nine hundred ninety-four".