2293531 has 2 divisors, whose sum is σ = 2293532. Its totient is φ = 2293530.

The previous prime is 2293483. The next prime is 2293541. The reversal of 2293531 is 1353922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2293531 - 2¹⁵ = 2260763 is a prime.

It is a super-2 number, since 2×2293531² = 10520568895922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 9⁵ + 3³ + 5⁷ + 3¹⁰ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 2293496 and 2293505.

It is not a weakly prime, because it can be changed into another prime (2293541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146765 + 1146766.

It is an arithmetic number, because the mean of its divisors is an integer number (1146766).

2^2293531 is an apocalyptic number.

2293531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293531 is an equidigital number, since it uses as much as digits as its factorization.

2293531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 2293531 is about 1514.4408208973. The cubic root of 2293531 is about 131.8767406163.

The spelling of 2293531 in words is "two million, two hundred ninety-three thousand, five hundred thirty-one".