2491548 has 12 divisors (see below), whose sum is σ = 5813640. Its totient is φ = 830512.

The previous prime is 2491547. The next prime is 2491553. The reversal of 2491548 is 8451942.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2491548² = 12415622872608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103803 + ... + 103826.

It is an arithmetic number, because the mean of its divisors is an integer number (484470).

2^2491548 is an apocalyptic number.

It is an amenable number.

2491548 is an abundant number, since it is smaller than the sum of its proper divisors (3322092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2491548 is a wasteful number, since it uses less digits than its factorization.

2491548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207636 (or 207634 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 2491548 is about 1578.4638101648. The cubic root of 2491548 is about 135.5677597580.

The spelling of 2491548 in words is "two million, four hundred ninety-one thousand, five hundred forty-eight".