2511494 has 4 divisors (see below), whose sum is σ = 3767244. Its totient is φ = 1255746.

The previous prime is 2511493. The next prime is 2511499. The reversal of 2511494 is 4941152.

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

It is a super-2 number, since 2×2511494² = 12615204224072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627872 + ... + 627875.

It is an arithmetic number, because the mean of its divisors is an integer number (941811).

2^2511494 is an apocalyptic number.

2511494 is a deficient number, since it is larger than the sum of its proper divisors (1255750).

2511494 is a wasteful number, since it uses less digits than its factorization.

2511494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255749.

The product of its digits is 1440, while the sum is 26.

The square root of 2511494 is about 1584.7693838537. The cubic root of 2511494 is about 135.9285596534.

The spelling of 2511494 in words is "two million, five hundred eleven thousand, four hundred ninety-four".