164254425 has 48 divisors (see below), whose sum is σ = 293766912. Its totient is φ = 80665600.

The previous prime is 164254421. The next prime is 164254429. The reversal of 164254425 is 524452461.

164254425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164254421) and next prime (164254429).

It is not a de Polignac number, because 164254425 - 2² = 164254421 is a prime.

It is a super-2 number, since 2×164254425² = 53959032264161250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164254421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58555 + ... + 61295.

It is an arithmetic number, because the mean of its divisors is an integer number (6120144).

Almost surely, 2^164254425 is an apocalyptic number.

164254425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164254425 is a deficient number, since it is larger than the sum of its proper divisors (129512487).

164254425 is a wasteful number, since it uses less digits than its factorization.

164254425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2813 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 164254425 is about 12816.1782525057. The cubic root of 164254425 is about 547.6532795746.

The spelling of 164254425 in words is "one hundred sixty-four million, two hundred fifty-four thousand, four hundred twenty-five".