245454731 has 2 divisors, whose sum is σ = 245454732. Its totient is φ = 245454730.

The previous prime is 245454719. The next prime is 245454743. The reversal of 245454731 is 137454542.

It is a balanced prime because it is at equal distance from previous prime (245454719) and next prime (245454743).

It is a cyclic number.

It is not a de Polignac number, because 245454731 - 2¹⁰ = 245453707 is a prime.

It is a super-2 number, since 2×245454731² = 120496049940564722, 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 = 245454691 and 245454700.

It is not a weakly prime, because it can be changed into another prime (245454631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122727365 + 122727366.

It is an arithmetic number, because the mean of its divisors is an integer number (122727366).

Almost surely, 2^245454731 is an apocalyptic number.

245454731 is a deficient number, since it is larger than the sum of its proper divisors (1).

245454731 is an equidigital number, since it uses as much as digits as its factorization.

245454731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 245454731 is about 15666.9949575533. The cubic root of 245454731 is about 626.1193644935.

The spelling of 245454731 in words is "two hundred forty-five million, four hundred fifty-four thousand, seven hundred thirty-one".