1061598825 has 48 divisors (see below), whose sum is σ = 2228805760. Its totient is φ = 485300160.

The previous prime is 1061598763. The next prime is 1061598829. The reversal of 1061598825 is 5288951601.

It is a happy number.

1061598825 is a `hidden beast` number, since 1 + 0 + 615 + 9 + 8 + 8 + 25 = 666.

It is not a de Polignac number, because 1061598825 - 2⁸ = 1061598569 is a prime.

It is a super-4 number, since 4×1061598825⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1061598829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107614 + ... + 117063.

Almost surely, 2^1061598825 is an apocalyptic number.

1061598825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061598825 is an abundant number, since it is smaller than the sum of its proper divisors (1167206935).

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

1061598825 is a wasteful number, since it uses less digits than its factorization.

1061598825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224703 (or 224692 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 1061598825 is about 32582.1857001644. The cubic root of 1061598825 is about 1020.1252008944.

The spelling of 1061598825 in words is "one billion, sixty-one million, five hundred ninety-eight thousand, eight hundred twenty-five".