1425045031 has 4 divisors (see below), whose sum is σ = 1425249864. Its totient is φ = 1424840200.

The previous prime is 1425045019. The next prime is 1425045071. The reversal of 1425045031 is 1305405241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425045031 - 2⁷ = 1425044903 is a prime.

It is a super-2 number, since 2×1425045031² = 4061506680755581922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425044987 and 1425045005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425045071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91600 + ... + 106021.

It is an arithmetic number, because the mean of its divisors is an integer number (356312466).

Almost surely, 2^1425045031 is an apocalyptic number.

1425045031 is a deficient number, since it is larger than the sum of its proper divisors (204833).

1425045031 is an equidigital number, since it uses as much as digits as its factorization.

1425045031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204832.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1425045031 is about 37749.7686218075. The cubic root of 1425045031 is about 1125.3204107271.

The spelling of 1425045031 in words is "one billion, four hundred twenty-five million, forty-five thousand, thirty-one".