425473129 has 3 divisors (see below), whose sum is σ = 425493757. Its totient is φ = 425452502.

The previous prime is 425473117. The next prime is 425473183. The reversal of 425473129 is 921374524.

The square root of 425473129 is 20627.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 425473129 - 2⁷ = 425473001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425473429) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10314 + ... + 30940.

Almost surely, 2^425473129 is an apocalyptic number.

425473129 is the 20627-th square number.

425473129 is the 10314-th centered octagonal number.

It is an amenable number.

425473129 is a deficient number, since it is larger than the sum of its proper divisors (20628).

425473129 is an frugal number, since it uses more digits than its factorization.

425473129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41254 (or 20627 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The cubic root of 425473129 is about 752.1261913107.

The spelling of 425473129 in words is "four hundred twenty-five million, four hundred seventy-three thousand, one hundred twenty-nine".