1425520473 has 16 divisors (see below), whose sum is σ = 2135898240. Its totient is φ = 839101824.

The previous prime is 1425520471. The next prime is 1425520487. The reversal of 1425520473 is 3740255241.

It is not a de Polignac number, because 1425520473 - 2¹ = 1425520471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425520471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793708 + ... + 795501.

It is an arithmetic number, because the mean of its divisors is an integer number (133493640).

Almost surely, 2^1425520473 is an apocalyptic number.

1425520473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1425520473 is a deficient number, since it is larger than the sum of its proper divisors (710377767).

1425520473 is a wasteful number, since it uses less digits than its factorization.

1425520473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589248.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1425520473 is about 37756.0653802803. The cubic root of 1425520473 is about 1125.4455448072.

The spelling of 1425520473 in words is "one billion, four hundred twenty-five million, five hundred twenty thousand, four hundred seventy-three".