625140381 has 8 divisors (see below), whose sum is σ = 833696640. Its totient is φ = 416672192.

The previous prime is 625140379. The next prime is 625140403. The reversal of 625140381 is 183041526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625140381 - 2¹ = 625140379 is a prime.

It is a super-2 number, since 2×625140381² = 781600991913650322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625140181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141 + ... + 35498.

It is an arithmetic number, because the mean of its divisors is an integer number (104212080).

Almost surely, 2^625140381 is an apocalyptic number.

It is an amenable number.

625140381 is a deficient number, since it is larger than the sum of its proper divisors (208556259).

625140381 is a wasteful number, since it uses less digits than its factorization.

625140381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44035.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 625140381 is about 25002.8074623631. The cubic root of 625140381 is about 855.0519813819.

It can be divided in two parts, 625140 and 381, that added together give a triangular number (625521 = T₁₁₁₈).

The spelling of 625140381 in words is "six hundred twenty-five million, one hundred forty thousand, three hundred eighty-one".