1425531204 has 96 divisors (see below), whose sum is σ = 3783924480. Its totient is φ = 463968000.

The previous prime is 1425531199. The next prime is 1425531257. The reversal of 1425531204 is 4021355241.

1425531204 is a `hidden beast` number, since 1 + 425 + 5 + 31 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994072 + ... + 995504.

It is an arithmetic number, because the mean of its divisors is an integer number (39415880).

Almost surely, 2^1425531204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425531204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891962240).

1425531204 is an abundant number, since it is smaller than the sum of its proper divisors (2358393276).

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

1425531204 is a wasteful number, since it uses less digits than its factorization.

1425531204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1425531204 is about 37756.2074896301. The cubic root of 1425531204 is about 1125.4483688344.

Adding to 1425531204 its reverse (4021355241), we get a palindrome (5446886445).

The spelling of 1425531204 in words is "one billion, four hundred twenty-five million, five hundred thirty-one thousand, two hundred four".