1825650738 has 54 divisors (see below), whose sum is σ = 4118547069. Its totient is φ = 606918744.

The previous prime is 1825650709. The next prime is 1825650767. The reversal of 1825650738 is 8370565281.

1825650738 is a `hidden beast` number, since 1 + 82 + 565 + 0 + 7 + 3 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1825650709) and next prime (1825650767).

It can be written as a sum of positive squares in 2 ways, for example, as 1822179969 + 3470769 = 42687^2 + 1863^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=30213.

It is a junction number, because it is equal to n+sod(n) for n = 1825650693 and 1825650702.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4894320 + ... + 4894692.

Almost surely, 2^1825650738 is an apocalyptic number.

1825650738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825650738

1825650738 is an abundant number, since it is smaller than the sum of its proper divisors (2292896331).

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

1825650738 is an frugal number, since it uses more digits than its factorization.

1825650738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 1825650738 is about 42727.6343599783. The cubic root of 1825650738 is about 1222.1914249975.

The spelling of 1825650738 in words is "one billion, eight hundred twenty-five million, six hundred fifty thousand, seven hundred thirty-eight".