1425245525 has 24 divisors (see below), whose sum is σ = 1964365344. Its totient is φ = 1016974400.

The previous prime is 1425245509. The next prime is 1425245527. The reversal of 1425245525 is 5255425241.

It is not a de Polignac number, because 1425245525 - 2⁴ = 1425245509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425245527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34319 + ... + 63468.

It is an arithmetic number, because the mean of its divisors is an integer number (81848556).

Almost surely, 2^1425245525 is an apocalyptic number.

It is an amenable number.

1425245525 is a deficient number, since it is larger than the sum of its proper divisors (539119819).

1425245525 is a wasteful number, since it uses less digits than its factorization.

1425245525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97861 (or 97856 counting only the distinct ones).

The product of its digits is 80000, while the sum is 35.

The square root of 1425245525 is about 37752.4240943545. The cubic root of 1425245525 is about 1125.3731831905.

The spelling of 1425245525 in words is "one billion, four hundred twenty-five million, two hundred forty-five thousand, five hundred twenty-five".