425513101 has 24 divisors (see below), whose sum is σ = 471951144. Its totient is φ = 383385600.

The previous prime is 425513071. The next prime is 425513117. The reversal of 425513101 is 101315524.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 14478025 + 411035076 = 3805^2 + 20274^2 .

It is not a de Polignac number, because 425513101 - 2¹⁷ = 425382029 is a prime.

It is a super-2 number, since 2×425513101² = 362122798245272402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425513141) 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, 1655565 + ... + 1655821.

It is an arithmetic number, because the mean of its divisors is an integer number (19664631).

Almost surely, 2^425513101 is an apocalyptic number.

It is an amenable number.

425513101 is a deficient number, since it is larger than the sum of its proper divisors (46438043).

425513101 is a wasteful number, since it uses less digits than its factorization.

425513101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 425513101 is about 20627.9689014697. The cubic root of 425513101 is about 752.1497439510.

Adding to 425513101 its reverse (101315524), we get a palindrome (526828625).

It can be divided in two parts, 4255 and 13101, that multiplied together give a palindrome (55744755).

The spelling of 425513101 in words is "four hundred twenty-five million, five hundred thirteen thousand, one hundred one".