2491562 has 4 divisors (see below), whose sum is σ = 3737346. Its totient is φ = 1245780.

The previous prime is 2491553. The next prime is 2491589. The reversal of 2491562 is 2651942.

It is a happy number.

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., 1957201 + 534361 = 1399^2 + 731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622889 + ... + 622892.

2^2491562 is an apocalyptic number.

2491562 is a deficient number, since it is larger than the sum of its proper divisors (1245784).

2491562 is a wasteful number, since it uses less digits than its factorization.

2491562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245783.

The product of its digits is 4320, while the sum is 29.

The square root of 2491562 is about 1578.4682448501. The cubic root of 2491562 is about 135.5680136758.

The spelling of 2491562 in words is "two million, four hundred ninety-one thousand, five hundred sixty-two".