1625156052 has 48 divisors (see below), whose sum is σ = 4107956160. Its totient is φ = 500039904.

The previous prime is 1625156041. The next prime is 1625156063. The reversal of 1625156052 is 2506515261.

It is an interprime number because it is at equal distance from previous prime (1625156041) and next prime (1625156063).

It is a super-2 number, since 2×1625156052² = 5282264386704453408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458 + ... + 57185.

It is an arithmetic number, because the mean of its divisors is an integer number (85582420).

Almost surely, 2^1625156052 is an apocalyptic number.

1625156052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625156052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053978080).

1625156052 is an abundant number, since it is smaller than the sum of its proper divisors (2482800108).

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

1625156052 is a wasteful number, since it uses less digits than its factorization.

1625156052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61689 (or 61661 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1625156052 is about 40313.2242818656. The cubic root of 1625156052 is about 1175.7049765512.

The spelling of 1625156052 in words is "one billion, six hundred twenty-five million, one hundred fifty-six thousand, fifty-two".