425545453 has 2 divisors, whose sum is σ = 425545454. Its totient is φ = 425545452.

The previous prime is 425545441. The next prime is 425545481. The reversal of 425545453 is 354545524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287200809 + 138344644 = 16947^2 + 11762^2 .

It is a cyclic number.

It is not a de Polignac number, because 425545453 - 2²¹ = 423448301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425545553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212772726 + 212772727.

It is an arithmetic number, because the mean of its divisors is an integer number (212772727).

Almost surely, 2^425545453 is an apocalyptic number.

It is an amenable number.

425545453 is a deficient number, since it is larger than the sum of its proper divisors (1).

425545453 is an equidigital number, since it uses as much as digits as its factorization.

425545453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240000, while the sum is 37.

The square root of 425545453 is about 20628.7530645941. The cubic root of 425545453 is about 752.1688055904.

The spelling of 425545453 in words is "four hundred twenty-five million, five hundred forty-five thousand, four hundred fifty-three".