1020353625 has 64 divisors (see below), whose sum is σ = 1937744640. Its totient is φ = 529416000.

The previous prime is 1020353569. The next prime is 1020353641. The reversal of 1020353625 is 5263530201.

1020353625 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 35 + 3 + 625 = 666.

It is not a de Polignac number, because 1020353625 - 2¹³ = 1020345433 is a prime.

It is a super-2 number, since 2×1020353625² = 2082243040101281250, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120790 + ... + 128960.

It is an arithmetic number, because the mean of its divisors is an integer number (30277260).

Almost surely, 2^1020353625 is an apocalyptic number.

1020353625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020353625 is a deficient number, since it is larger than the sum of its proper divisors (917391015).

1020353625 is an equidigital number, since it uses as much as digits as its factorization.

1020353625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232 (or 8216 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1020353625 is about 31942.9745797100. The cubic root of 1020353625 is about 1006.7390251898.

Adding to 1020353625 its reverse (5263530201), we get a palindrome (6283883826).

The spelling of 1020353625 in words is "one billion, twenty million, three hundred fifty-three thousand, six hundred twenty-five".