425867157 has 6 divisors (see below), whose sum is σ = 615141462. Its totient is φ = 283911432.

The previous prime is 425867147. The next prime is 425867177. The reversal of 425867157 is 751768524.

It can be written as a sum of positive squares in only one way, i.e., 415792881 + 10074276 = 20391^2 + 3174^2 .

It is not a de Polignac number, because 425867157 - 2⁶ = 425867093 is a prime.

It is a super-2 number, since 2×425867157² = 362725670822525298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425867147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23659278 + ... + 23659295.

It is an arithmetic number, because the mean of its divisors is an integer number (102523577).

Almost surely, 2^425867157 is an apocalyptic number.

It is an amenable number.

425867157 is a deficient number, since it is larger than the sum of its proper divisors (189274305).

425867157 is a wasteful number, since it uses less digits than its factorization.

425867157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47318579 (or 47318576 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 425867157 is about 20636.5490574369. The cubic root of 425867157 is about 752.3582994592.

The spelling of 425867157 in words is "four hundred twenty-five million, eight hundred sixty-seven thousand, one hundred fifty-seven".