431052545 has 32 divisors (see below), whose sum is σ = 672952320. Its totient is φ = 257019840.

The previous prime is 431052539. The next prime is 431052581. The reversal of 431052545 is 545250134.

It is not a de Polignac number, because 431052545 - 2⁶ = 431052481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15485 + ... + 33194.

It is an arithmetic number, because the mean of its divisors is an integer number (21029760).

Almost surely, 2^431052545 is an apocalyptic number.

It is an amenable number.

431052545 is a deficient number, since it is larger than the sum of its proper divisors (241899775).

431052545 is a wasteful number, since it uses less digits than its factorization.

431052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48725.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 431052545 is about 20761.8049552538. The cubic root of 431052545 is about 755.3995779720.

The spelling of 431052545 in words is "four hundred thirty-one million, fifty-two thousand, five hundred forty-five".