425143502 has 12 divisors (see below), whose sum is σ = 741832200. Its totient is φ = 182204316.

The previous prime is 425143501. The next prime is 425143541. The reversal of 425143502 is 205341524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425143501) 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, 2169002 + ... + 2169197.

It is an arithmetic number, because the mean of its divisors is an integer number (61819350).

Almost surely, 2^425143502 is an apocalyptic number.

425143502 is a deficient number, since it is larger than the sum of its proper divisors (316688698).

425143502 is a wasteful number, since it uses less digits than its factorization.

425143502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338215 (or 4338208 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 425143502 is about 20619.0082690706. The cubic root of 425143502 is about 751.9319094358.

The spelling of 425143502 in words is "four hundred twenty-five million, one hundred forty-three thousand, five hundred two".