425547097 has 4 divisors (see below), whose sum is σ = 425846736. Its totient is φ = 425247460.

The previous prime is 425547029. The next prime is 425547103. The reversal of 425547097 is 790745524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425547097 - 2¹¹ = 425545049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425547007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147679 + ... + 150532.

It is an arithmetic number, because the mean of its divisors is an integer number (106461684).

Almost surely, 2^425547097 is an apocalyptic number.

It is an amenable number.

425547097 is a deficient number, since it is larger than the sum of its proper divisors (299639).

425547097 is a wasteful number, since it uses less digits than its factorization.

425547097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299638.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 425547097 is about 20628.7929118502. The cubic root of 425547097 is about 752.1697742013.

The spelling of 425547097 in words is "four hundred twenty-five million, five hundred forty-seven thousand, ninety-seven".