1625411004 has 96 divisors (see below), whose sum is σ = 4609414656. Its totient is φ = 435179520.

The previous prime is 1625410973. The next prime is 1625411033. The reversal of 1625411004 is 4001145261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341787 + ... + 346509.

It is an arithmetic number, because the mean of its divisors is an integer number (48014736).

Almost surely, 2^1625411004 is an apocalyptic number.

1625411004 is a gapful number since it is divisible by the number (14) 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 1625411004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304707328).

1625411004 is an abundant number, since it is smaller than the sum of its proper divisors (2984003652).

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

1625411004 is a wasteful number, since it uses less digits than its factorization.

1625411004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1625411004 is about 40316.3862963932. The cubic root of 1625411004 is about 1175.7664542703.

Adding to 1625411004 its reverse (4001145261), we get a palindrome (5626556265).

The spelling of 1625411004 in words is "one billion, six hundred twenty-five million, four hundred eleven thousand, four".