545702407 has 2 divisors, whose sum is σ = 545702408. Its totient is φ = 545702406.

The previous prime is 545702389. The next prime is 545702429. The reversal of 545702407 is 704207545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545702407 - 2¹⁹ = 545178119 is a prime.

It is a super-2 number, since 2×545702407² = 595582234011187298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545702447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272851203 + 272851204.

It is an arithmetic number, because the mean of its divisors is an integer number (272851204).

Almost surely, 2^545702407 is an apocalyptic number.

545702407 is a deficient number, since it is larger than the sum of its proper divisors (1).

545702407 is an equidigital number, since it uses as much as digits as its factorization.

545702407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 545702407 is about 23360.2741208232. The cubic root of 545702407 is about 817.1816824398.

The spelling of 545702407 in words is "five hundred forty-five million, seven hundred two thousand, four hundred seven".