1425947250 has 256 divisors, whose sum is σ = 4641960960. Its totient is φ = 282931200.

The previous prime is 1425947249. The next prime is 1425947273. The reversal of 1425947250 is 527495241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425947199 and 1425947208.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1159636 + ... + 1160864.

It is an arithmetic number, because the mean of its divisors is an integer number (18132660).

Almost surely, 2^1425947250 is an apocalyptic number.

1425947250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425947250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320980480).

1425947250 is an abundant number, since it is smaller than the sum of its proper divisors (3216013710).

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

1425947250 is a wasteful number, since it uses less digits than its factorization.

1425947250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1425947250 is about 37761.7167247465. The cubic root of 1425947250 is about 1125.5578467950.

The spelling of 1425947250 in words is "one billion, four hundred twenty-five million, nine hundred forty-seven thousand, two hundred fifty".