1425500013 has 24 divisors (see below), whose sum is σ = 2264915520. Its totient is φ = 794700480.

The previous prime is 1425499993. The next prime is 1425500047. The reversal of 1425500013 is 3100055241.

It is not a de Polignac number, because 1425500013 - 2²⁴ = 1408722797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425500053) 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, 112233 + ... + 124286.

It is an arithmetic number, because the mean of its divisors is an integer number (94371480).

Almost surely, 2^1425500013 is an apocalyptic number.

It is an amenable number.

1425500013 is a deficient number, since it is larger than the sum of its proper divisors (839415507).

1425500013 is a wasteful number, since it uses less digits than its factorization.

1425500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236577 (or 236570 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1425500013 is about 37755.7944294647. The cubic root of 1425500013 is about 1125.4401604051.

Adding to 1425500013 its reverse (3100055241), we get a palindrome (4525555254).

The spelling of 1425500013 in words is "one billion, four hundred twenty-five million, five hundred thousand, thirteen".