26412431 has 2 divisors, whose sum is σ = 26412432. Its totient is φ = 26412430.

The previous prime is 26412427. The next prime is 26412437. The reversal of 26412431 is 13421462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26412431 - 2² = 26412427 is a prime.

It is a super-2 number, since 2×26412431² = 1395233022659522, 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 = 26412397 and 26412406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26412437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13206215 + 13206216.

It is an arithmetic number, because the mean of its divisors is an integer number (13206216).

Almost surely, 2^26412431 is an apocalyptic number.

26412431 is a deficient number, since it is larger than the sum of its proper divisors (1).

26412431 is an equidigital number, since it uses as much as digits as its factorization.

26412431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 26412431 is about 5139.3025791444. The cubic root of 26412431 is about 297.8078389689.

Adding to 26412431 its reverse (13421462), we get a palindrome (39833893).

The spelling of 26412431 in words is "twenty-six million, four hundred twelve thousand, four hundred thirty-one".