802425501 has 16 divisors (see below), whose sum is σ = 1214073600. Its totient is φ = 523567584.

The previous prime is 802425493. The next prime is 802425527. The reversal of 802425501 is 105524208.

It is a happy number.

It is not a de Polignac number, because 802425501 - 2³ = 802425493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802425581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314896 + ... + 317433.

It is an arithmetic number, because the mean of its divisors is an integer number (75879600).

Almost surely, 2^802425501 is an apocalyptic number.

It is an amenable number.

802425501 is a deficient number, since it is larger than the sum of its proper divisors (411648099).

802425501 is a wasteful number, since it uses less digits than its factorization.

802425501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632385 (or 632379 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 802425501 is about 28327.1160021630. The cubic root of 802425501 is about 929.2550016961.

Adding to 802425501 its reverse (105524208), we get a palindrome (907949709).

The spelling of 802425501 in words is "eight hundred two million, four hundred twenty-five thousand, five hundred one".