2801431 has 2 divisors, whose sum is σ = 2801432. Its totient is φ = 2801430.

The previous prime is 2801401. The next prime is 2801441. The reversal of 2801431 is 1341082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2801431 - 2¹³ = 2793239 is a prime.

It is a super-2 number, since 2×2801431² = 15696031295522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2801399 and 2801408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2801401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400715 + 1400716.

It is an arithmetic number, because the mean of its divisors is an integer number (1400716).

2^2801431 is an apocalyptic number.

2801431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801431 is an equidigital number, since it uses as much as digits as its factorization.

2801431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2801431 is about 1673.7475914845. The cubic root of 2801431 is about 140.9699817055.

It can be divided in two parts, 280 and 1431, that added together give a triangular number (1711 = T₅₈).

The spelling of 2801431 in words is "two million, eight hundred one thousand, four hundred thirty-one".