996551425 has 24 divisors (see below), whose sum is σ = 1317276800. Its totient is φ = 745692480.

The previous prime is 996551419. The next prime is 996551431. The reversal of 996551425 is 524155699.

It is an interprime number because it is at equal distance from previous prime (996551419) and next prime (996551431).

It is not a de Polignac number, because 996551425 - 2³ = 996551417 is a prime.

It is a super-2 number, since 2×996551425² = 1986229485339061250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24247 + ... + 50803.

Almost surely, 2^996551425 is an apocalyptic number.

996551425 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

996551425 is a deficient number, since it is larger than the sum of its proper divisors (320725375).

996551425 is a wasteful number, since it uses less digits than its factorization.

996551425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26665 (or 26660 counting only the distinct ones).

The product of its digits is 486000, while the sum is 46.

The square root of 996551425 is about 31568.2027521365. The cubic root of 996551425 is about 998.8491510548.

The spelling of 996551425 in words is "nine hundred ninety-six million, five hundred fifty-one thousand, four hundred twenty-five".