245377427 has 2 divisors, whose sum is σ = 245377428. Its totient is φ = 245377426.

The previous prime is 245377417. The next prime is 245377469. The reversal of 245377427 is 724773542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245377427 - 2⁴ = 245377411 is a prime.

It is a super-2 number, since 2×245377427² = 120420163362280658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245377417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122688713 + 122688714.

It is an arithmetic number, because the mean of its divisors is an integer number (122688714).

Almost surely, 2^245377427 is an apocalyptic number.

245377427 is a deficient number, since it is larger than the sum of its proper divisors (1).

245377427 is an equidigital number, since it uses as much as digits as its factorization.

245377427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 41.

The square root of 245377427 is about 15664.5276660358. The cubic root of 245377427 is about 626.0536271669.

The spelling of 245377427 in words is "two hundred forty-five million, three hundred seventy-seven thousand, four hundred twenty-seven".