420098725 has 6 divisors (see below), whose sum is σ = 520922450. Its totient is φ = 336078960.

The previous prime is 420098699. The next prime is 420098771. The reversal of 420098725 is 527890024.

It can be written as a sum of positive squares in 3 ways, for example, as 42224004 + 377874721 = 6498^2 + 19439^2 .

It is not a de Polignac number, because 420098725 - 2⁹ = 420098213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8401950 + ... + 8401999.

Almost surely, 2^420098725 is an apocalyptic number.

It is an amenable number.

420098725 is a deficient number, since it is larger than the sum of its proper divisors (100823725).

420098725 is a wasteful number, since it uses less digits than its factorization.

420098725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803959 (or 16803954 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 420098725 is about 20496.3100337597. The cubic root of 420098725 is about 748.9459118174.

The spelling of 420098725 in words is "four hundred twenty million, ninety-eight thousand, seven hundred twenty-five".