425263501 has 8 divisors (see below), whose sum is σ = 458201240. Its totient is φ = 392357952.

The previous prime is 425263469. The next prime is 425263547. The reversal of 425263501 is 105362524.

It can be written as a sum of positive squares in 4 ways, for example, as 73513476 + 351750025 = 8574^2 + 18755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425263501 - 2⁵ = 425263469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425263501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425263561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24211 + ... + 37903.

It is an arithmetic number, because the mean of its divisors is an integer number (57275155).

Almost surely, 2^425263501 is an apocalyptic number.

It is an amenable number.

425263501 is a deficient number, since it is larger than the sum of its proper divisors (32937739).

425263501 is a wasteful number, since it uses less digits than its factorization.

425263501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 425263501 is about 20621.9179757849. The cubic root of 425263501 is about 752.0026483657.

The spelling of 425263501 in words is "four hundred twenty-five million, two hundred sixty-three thousand, five hundred one".