1625434244 has 12 divisors (see below), whose sum is σ = 3250868544. Its totient is φ = 696614664.

The previous prime is 1625434241. The next prime is 1625434259. The reversal of 1625434244 is 4424345261.

1625434244 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1625434241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29025584 + ... + 29025639.

It is an arithmetic number, because the mean of its divisors is an integer number (270905712).

Almost surely, 2^1625434244 is an apocalyptic number.

1625434244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1625434244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1625434244 is a wasteful number, since it uses less digits than its factorization.

1625434244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58051234 (or 58051232 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 1625434244 is about 40316.6745156393. The cubic root of 1625434244 is about 1175.7720579160.

The spelling of 1625434244 in words is "one billion, six hundred twenty-five million, four hundred thirty-four thousand, two hundred forty-four".