2491274 has 8 divisors (see below), whose sum is σ = 3865860. Its totient is φ = 1202656.

The previous prime is 2491259. The next prime is 2491289. The reversal of 2491274 is 4721942.

It is an interprime number because it is at equal distance from previous prime (2491259) and next prime (2491289).

It can be written as a sum of positive squares in 2 ways, for example, as 2325625 + 165649 = 1525^2 + 407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2491274² = 12412892286152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21419 + ... + 21534.

2^2491274 is an apocalyptic number.

2491274 is a deficient number, since it is larger than the sum of its proper divisors (1374586).

2491274 is a wasteful number, since it uses less digits than its factorization.

2491274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42984.

The product of its digits is 4032, while the sum is 29.

The square root of 2491274 is about 1578.3770145311. The cubic root of 2491274 is about 135.5627900326.

The spelling of 2491274 in words is "two million, four hundred ninety-one thousand, two hundred seventy-four".