606155431 has 32 divisors (see below), whose sum is σ = 737792000. Its totient is φ = 497236320.

The previous prime is 606155413. The next prime is 606155437. The reversal of 606155431 is 134551606.

It is not a de Polignac number, because 606155431 - 2²³ = 597766823 is a prime.

It is a super-2 number, since 2×606155431² = 734848813061591522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 606155393 and 606155402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606155437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158736 + ... + 1159258.

It is an arithmetic number, because the mean of its divisors is an integer number (23056000).

Almost surely, 2^606155431 is an apocalyptic number.

606155431 is a deficient number, since it is larger than the sum of its proper divisors (131636569).

606155431 is a wasteful number, since it uses less digits than its factorization.

606155431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 606155431 is about 24620.2240241635. The cubic root of 606155431 is about 846.3071309304.

The spelling of 606155431 in words is "six hundred six million, one hundred fifty-five thousand, four hundred thirty-one".