3140251 has 2 divisors, whose sum is σ = 3140252. Its totient is φ = 3140250.

The previous prime is 3140243. The next prime is 3140273. The reversal of 3140251 is 1520413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3140251 - 2³ = 3140243 is a prime.

It is a super-2 number, since 2×3140251² = 19722352686002, which contains 22 as substring.

3140251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3140551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570125 + 1570126.

It is an arithmetic number, because the mean of its divisors is an integer number (1570126).

Almost surely, 2^3140251 is an apocalyptic number.

3140251 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140251 is an equidigital number, since it uses as much as digits as its factorization.

3140251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3140251 is about 1772.0753369990. The cubic root of 3140251 is about 146.4383367556.

Adding to 3140251 its reverse (1520413), we get a palindrome (4660664).

It can be divided in two parts, 3140 and 251, that multiplied together give a triangular number (788140 = T₁₂₅₅).

The spelling of 3140251 in words is "three million, one hundred forty thousand, two hundred fifty-one".