235045639 has 2 divisors, whose sum is σ = 235045640. Its totient is φ = 235045638.

The previous prime is 235045589. The next prime is 235045669. The reversal of 235045639 is 936540532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235045639 - 2¹³ = 235037447 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235045598 and 235045607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235045669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117522819 + 117522820.

It is an arithmetic number, because the mean of its divisors is an integer number (117522820).

Almost surely, 2^235045639 is an apocalyptic number.

235045639 is a deficient number, since it is larger than the sum of its proper divisors (1).

235045639 is an equidigital number, since it uses as much as digits as its factorization.

235045639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 235045639 is about 15331.1982245355. The cubic root of 235045639 is about 617.1405254200.

The spelling of 235045639 in words is "two hundred thirty-five million, forty-five thousand, six hundred thirty-nine".