425501023 has 2 divisors, whose sum is σ = 425501024. Its totient is φ = 425501022.

The previous prime is 425501017. The next prime is 425501033. The reversal of 425501023 is 320105524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425501023 - 2¹³ = 425492831 is a prime.

It is a super-2 number, since 2×425501023² = 362102241148093058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425500985 and 425501003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425501033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212750511 + 212750512.

It is an arithmetic number, because the mean of its divisors is an integer number (212750512).

Almost surely, 2^425501023 is an apocalyptic number.

425501023 is a deficient number, since it is larger than the sum of its proper divisors (1).

425501023 is an equidigital number, since it uses as much as digits as its factorization.

425501023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 425501023 is about 20627.6761415337. The cubic root of 425501023 is about 752.1426274051.

Adding to 425501023 its reverse (320105524), we get a palindrome (745606547).

The spelling of 425501023 in words is "four hundred twenty-five million, five hundred one thousand, twenty-three".