425454513 has 48 divisors (see below), whose sum is σ = 646903488. Its totient is φ = 248371200.

The previous prime is 425454503. The next prime is 425454541. The reversal of 425454513 is 315454524.

It is not a de Polignac number, because 425454513 - 2¹³ = 425446321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425454503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1513933 + ... + 1514213.

It is an arithmetic number, because the mean of its divisors is an integer number (13477156).

Almost surely, 2^425454513 is an apocalyptic number.

425454513 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

425454513 is a deficient number, since it is larger than the sum of its proper divisors (221448975).

425454513 is a wasteful number, since it uses less digits than its factorization.

425454513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 435 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 425454513 is about 20626.5487418521. The cubic root of 425454513 is about 752.1152217301.

The spelling of 425454513 in words is "four hundred twenty-five million, four hundred fifty-four thousand, five hundred thirteen".