425454100 has 18 divisors (see below), whose sum is σ = 923235614. Its totient is φ = 170181600.

The previous prime is 425454097. The next prime is 425454101. The reversal of 425454100 is 1454524.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1258884 + 424195216 = 1122^2 + 20596^2 .

It is a super-2 number, since 2×425454100² = 362022382413620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425454101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2127171 + ... + 2127370.

Almost surely, 2^425454100 is an apocalyptic number.

It is an amenable number.

425454100 is an abundant number, since it is smaller than the sum of its proper divisors (497781514).

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

425454100 is a wasteful number, since it uses less digits than its factorization.

425454100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254555 (or 4254548 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 425454100 is about 20626.5387304802. The cubic root of 425454100 is about 752.1149783639.

The spelling of 425454100 in words is "four hundred twenty-five million, four hundred fifty-four thousand, one hundred".