2507290 has 16 divisors (see below), whose sum is σ = 4544712. Its totient is φ = 995904.

The previous prime is 2507251. The next prime is 2507291. The reversal of 2507290 is 927052.

It can be written as a sum of positive squares in 4 ways, for example, as 1390041 + 1117249 = 1179^2 + 1057^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2507291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 2368.

2^2507290 is an apocalyptic number.

2507290 is a deficient number, since it is larger than the sum of its proper divisors (2037422).

2507290 is a wasteful number, since it uses less digits than its factorization.

2507290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2507290 is about 1583.4424523803. The cubic root of 2507290 is about 135.8526735063.

It can be divided in two parts, 250 and 7290, that multiplied together give a square (1822500 = 1350²).

The spelling of 2507290 in words is "two million, five hundred seven thousand, two hundred ninety".