825051642 has 16 divisors (see below), whose sum is σ = 1660615392. Its totient is φ = 273265200.

The previous prime is 825051613. The next prime is 825051671. The reversal of 825051642 is 246150528.

It is an interprime number because it is at equal distance from previous prime (825051613) and next prime (825051671).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436984 + ... + 438867.

It is an arithmetic number, because the mean of its divisors is an integer number (103788462).

Almost surely, 2^825051642 is an apocalyptic number.

825051642 is an abundant number, since it is smaller than the sum of its proper divisors (835563750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825051642 is a wasteful number, since it uses less digits than its factorization.

825051642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876013.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 825051642 is about 28723.7121904534. The cubic root of 825051642 is about 937.9082967498.

The spelling of 825051642 in words is "eight hundred twenty-five million, fifty-one thousand, six hundred forty-two".