425101031 has 4 divisors (see below), whose sum is σ = 450106992. Its totient is φ = 400095072.

The previous prime is 425101007. The next prime is 425101037. The reversal of 425101031 is 130101524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425101031 - 2²² = 420906727 is a prime.

It is a super-2 number, since 2×425101031² = 361421773114525922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 25005943 = 425101031 / (4 + 2 + 5 + 1 + 0 + 1 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425101037) 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, 12502955 + ... + 12502988.

It is an arithmetic number, because the mean of its divisors is an integer number (112526748).

Almost surely, 2^425101031 is an apocalyptic number.

425101031 is a deficient number, since it is larger than the sum of its proper divisors (25005961).

425101031 is a wasteful number, since it uses less digits than its factorization.

425101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005960.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 425101031 is about 20617.9783441539. The cubic root of 425101031 is about 751.9068697622.

Adding to 425101031 its reverse (130101524), we get a palindrome (555202555).

The spelling of 425101031 in words is "four hundred twenty-five million, one hundred one thousand, thirty-one".